## Sedeciducentillion

A Sedeciducentillion (1 Sedeciducentillion) is 10 to the power of 651 (10^651). This is an excessively astronomical number!

## How many zeros in a Sedeciducentillion?

There are 651 zeros in a Sedeciducentillion.

## What's before Sedeciducentillion?

A Quindeciducentillion is smaller than a Sedeciducentillion.

## What's after Sedeciducentillion?

A Septendeciducentillion is larger than a Sedeciducentillion.

## Sedeciducentillionaire

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

## Is Sedeciducentillion the largest number?

Sedeciducentillion 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.

## Sedeciducentillion written out

Sedeciducentillion 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

## Big Numbers

This is just one of many really big numbers!