## Octoseptuagintatrecentillion

A Octoseptuagintatrecentillion (1 Octoseptuagintatrecentillion) is 10 to the power of 1137 (10^1137). This is a tremendously astronomical number!

## How many zeros in a Octoseptuagintatrecentillion?

There are 1,137 zeros in a Octoseptuagintatrecentillion.

## What's before Octoseptuagintatrecentillion?

A Septenseptuagintatrecentillion is smaller than a Octoseptuagintatrecentillion.

## What's after Octoseptuagintatrecentillion?

A Novenseptuagintatrecentillion is larger than a Octoseptuagintatrecentillion.

## Octoseptuagintatrecentillionaire

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

## Is Octoseptuagintatrecentillion the largest number?

Octoseptuagintatrecentillion 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.

## Octoseptuagintatrecentillion written out

Octoseptuagintatrecentillion 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

## Big Numbers

This is just one of many really big numbers!