100561056056 has 16 divisors (see below), whose sum is σ = 188560343400. Its totient is φ = 50278297824.

The previous prime is 100561056031. The next prime is 100561056091. The reversal of 100561056056 is 650650165001.

It is a super-2 number, since 2×100561056056² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 78695 + ... + 455318.

Almost surely, 2^100561056056 is an apocalyptic number.

It is an amenable number.

100561056056 is a deficient number, since it is larger than the sum of its proper divisors (87999287344).

100561056056 is a wasteful number, since it uses less digits than its factorization.

100561056056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557558 (or 557554 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 100561056056 in words is "one hundred billion, five hundred sixty-one million, fifty-six thousand, fifty-six".