## Octotrigintatrecentillion

A Octotrigintatrecentillion (1 Octotrigintatrecentillion) is 10 to the power of 1017 (10^1017). This is a tremendously astronomical number!

## How many zeros in a Octotrigintatrecentillion?

There are 1,017 zeros in a Octotrigintatrecentillion.

## What's before Octotrigintatrecentillion?

A Septentrigintatrecentillion is smaller than a Octotrigintatrecentillion.

## What's after Octotrigintatrecentillion?

A Noventrigintatrecentillion is larger than a Octotrigintatrecentillion.

## Octotrigintatrecentillionaire

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

## Is Octotrigintatrecentillion the largest number?

Octotrigintatrecentillion 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.

## Octotrigintatrecentillion written out

Octotrigintatrecentillion 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

## Big Numbers

This is just one of many really big numbers!