115601666056 has 16 divisors (see below), whose sum is σ = 216757232640. Its totient is φ = 57799737360.

The previous prime is 115601666029. The next prime is 115601666113. The reversal of 115601666056 is 650666106511.

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, 469321 + ... + 671911.

It is an arithmetic number, because the mean of its divisors is an integer number (13547327040).

Almost surely, 2^115601666056 is an apocalyptic number.

It is an amenable number.

115601666056 is a deficient number, since it is larger than the sum of its proper divisors (101155566584).

115601666056 is a wasteful number, since it uses less digits than its factorization.

115601666056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273924 (or 273920 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 115601666056 in words is "one hundred fifteen billion, six hundred one million, six hundred sixty-six thousand, fifty-six".