111550070656 has 64 divisors (see below), whose sum is σ = 239371315200. Its totient is φ = 51629022720.

The previous prime is 111550070647. The next prime is 111550070689. The reversal of 111550070656 is 656070055111.

It is a tau number, because it is divible by the number of its divisors (64).

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, 519876 + ... + 702403.

It is an arithmetic number, because the mean of its divisors is an integer number (3740176800).

Almost surely, 2^111550070656 is an apocalyptic number.

111550070656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111550070656 is an abundant number, since it is smaller than the sum of its proper divisors (127821244544).

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

111550070656 is a wasteful number, since it uses less digits than its factorization.

111550070656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222347 (or 1222335 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 111550070656 in words is "one hundred eleven billion, five hundred fifty million, seventy thousand, six hundred fifty-six".