100551056010556 has 24 divisors (see below), whose sum is σ = 178663919051520. Its totient is φ = 49506454432512.

The previous prime is 100551056010511. The next prime is 100551056010563. The reversal of 100551056010556 is 655010650155001.

It is a super-2 number, since 2×100551056010556² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278874076 + ... + 279234403.

It is an arithmetic number, because the mean of its divisors is an integer number (7444329960480).

Almost surely, 2^{100551056010556} is an apocalyptic number.

It is an amenable number.

100551056010556 is a deficient number, since it is larger than the sum of its proper divisors (78112863040964).

100551056010556 is a wasteful number, since it uses less digits than its factorization.

100551056010556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558109173 (or 558109171 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 100551056010556 in words is "one hundred trillion, five hundred fifty-one billion, fifty-six million, ten thousand, five hundred fifty-six".