115601690556 has 36 divisors (see below), whose sum is σ = 318780420504. Its totient is φ = 35030815200.

The previous prime is 115601690527. The next prime is 115601690573. The reversal of 115601690556 is 655096106511.

115601690556 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 0 + 1 + 6 + 90 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145961335 + ... + 145962126.

Almost surely, 2^115601690556 is an apocalyptic number.

It is an amenable number.

115601690556 is an abundant number, since it is smaller than the sum of its proper divisors (203178729948).

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

115601690556 is a wasteful number, since it uses less digits than its factorization.

115601690556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291923482 (or 291923477 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 115601690556 in words is "one hundred fifteen billion, six hundred one million, six hundred ninety thousand, five hundred fifty-six".