100806885001 has 9 divisors (see below), whose sum is σ = 102124484301. Its totient is φ = 99506083404.

The previous prime is 100806884993. The next prime is 100806885017. The reversal of 100806885001 is 100588608001.

The square root of 100806885001 is 317501.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 100806885001 - 2³ = 100806884993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100806885041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25080570 + ... + 25084588.

Almost surely, 2^100806885001 is an apocalyptic number.

100806885001 is the 317501-st square number.

100806885001 is the 158751-st centered octagonal number.

It is an amenable number.

100806885001 is a deficient number, since it is larger than the sum of its proper divisors (1317599300).

100806885001 is an frugal number, since it uses more digits than its factorization.

100806885001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 100806885001 in words is "one hundred billion, eight hundred six million, eight hundred eighty-five thousand, one".