111551050016056 has 96 divisors (see below), whose sum is σ = 258188180400000. Its totient is φ = 44953933827264.

The previous prime is 111551050016009. The next prime is 111551050016093. The reversal of 111551050016056 is 650610050155111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104320306 + ... + 105384193.

It is an arithmetic number, because the mean of its divisors is an integer number (2689460212500).

Almost surely, 2^{111551050016056} is an apocalyptic number.

It is an amenable number.

111551050016056 is an abundant number, since it is smaller than the sum of its proper divisors (146637130383944).

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

111551050016056 is a wasteful number, since it uses less digits than its factorization.

111551050016056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209704601 (or 209704590 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 111551050016056 in words is "one hundred eleven trillion, five hundred fifty-one billion, fifty million, sixteen thousand, fifty-six".