100556008255 has 4 divisors (see below), whose sum is σ = 120667209912. Its totient is φ = 80444806600.

The previous prime is 100556008249. The next prime is 100556008271. The reversal of 100556008255 is 552800655001.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-100556008255 is a prime.

It is a super-2 number, since 2×100556008255² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055600821 + ... + 10055600830.

It is an arithmetic number, because the mean of its divisors is an integer number (30166802478).

Almost surely, 2^100556008255 is an apocalyptic number.

100556008255 is a deficient number, since it is larger than the sum of its proper divisors (20111201657).

100556008255 is an equidigital number, since it uses as much as digits as its factorization.

100556008255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111201656.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 100556008255 in words is "one hundred billion, five hundred fifty-six million, eight thousand, two hundred fifty-five".