115657205556 has 12 divisors (see below), whose sum is σ = 269866812992. Its totient is φ = 38552401848.

The previous prime is 115657205483. The next prime is 115657205567. The reversal of 115657205556 is 655502756511.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4819050220 + ... + 4819050243.

Almost surely, 2^115657205556 is an apocalyptic number.

It is an amenable number.

115657205556 is an abundant number, since it is smaller than the sum of its proper divisors (154209607436).

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

115657205556 is a wasteful number, since it uses less digits than its factorization.

115657205556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638100470 (or 9638100468 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 48.

The spelling of 115657205556 in words is "one hundred fifteen billion, six hundred fifty-seven million, two hundred five thousand, five hundred fifty-six".