## Septenseptuagintacentillion

A Septenseptuagintacentillion (1 Septenseptuagintacentillion) is 10 to the power of 534 (10^534). This is an excessively astronomical number!

## How many zeros in a Septenseptuagintacentillion?

There are 534 zeros in a Septenseptuagintacentillion.

## What's before Septenseptuagintacentillion?

A Seseptuagintacentillion is smaller than a Septenseptuagintacentillion.

## What's after Septenseptuagintacentillion?

A Octoseptuagintacentillion is larger than a Septenseptuagintacentillion.

## Septenseptuagintacentillionaire

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

## Is Septenseptuagintacentillion the largest number?

Septenseptuagintacentillion 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.

## Septenseptuagintacentillion written out

Septenseptuagintacentillion 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

## Big Numbers

This is just one of many really big numbers!