100556515056 has 20 divisors (see below), whose sum is σ = 259770997352. Its totient is φ = 33518838336.

The previous prime is 100556515043. The next prime is 100556515063. The reversal of 100556515056 is 650515655001.

It is a super-2 number, since 2×100556515056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047463651 + ... + 1047463746.

Almost surely, 2^100556515056 is an apocalyptic number.

100556515056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100556515056 is an abundant number, since it is smaller than the sum of its proper divisors (159214482296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100556515056 is a wasteful number, since it uses less digits than its factorization.

100556515056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094927408 (or 2094927402 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 100556515056 in words is "one hundred billion, five hundred fifty-six million, five hundred fifteen thousand, fifty-six".