116505611556 has 72 divisors (see below), whose sum is σ = 301333811520. Its totient is φ = 34961591808.

The previous prime is 116505611473. The next prime is 116505611617. The reversal of 116505611556 is 655116505611.

It is a super-2 number, since 2×116505611556² (a number of 23 digits) contains 22 as substring.

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, 650551 + ... + 810078.

Almost surely, 2^116505611556 is an apocalyptic number.

It is an amenable number.

116505611556 is an abundant number, since it is smaller than the sum of its proper divisors (184828199964).

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

116505611556 is a wasteful number, since it uses less digits than its factorization.

116505611556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460693 (or 1460674 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 116505611556 in words is "one hundred sixteen billion, five hundred five million, six hundred eleven thousand, five hundred fifty-six".