## Septemoctogintatrecentillion

A Septemoctogintatrecentillion (1 Septemoctogintatrecentillion) is 10 to the power of 1164 (10^1164). This is an excessively astronomical number!

## How many zeros in a Septemoctogintatrecentillion?

There are 1,164 zeros in a Septemoctogintatrecentillion.

## What's before Septemoctogintatrecentillion?

A Sexoctogintatrecentillion is smaller than a Septemoctogintatrecentillion.

## What's after Septemoctogintatrecentillion?

A Octooctogintatrecentillion is larger than a Septemoctogintatrecentillion.

## Septemoctogintatrecentillionaire

A Septemoctogintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Septemoctogintatrecentillion. It is unlikely anyone will ever be a true Septemoctogintatrecentillionaire. If you want to be a Septemoctogintatrecentillionaire, play Tap Tales!

## Is Septemoctogintatrecentillion the largest number?

Septemoctogintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Septemoctogintatrecentillion written out

Septemoctogintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!