115650200521 has 32 divisors (see below), whose sum is σ = 129383654400. Its totient is φ = 102908232000.

The previous prime is 115650200513. The next prime is 115650200539. The reversal of 115650200521 is 125002056511.

It is a cyclic number.

It is not a de Polignac number, because 115650200521 - 2³ = 115650200513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115650200521.

It is not an unprimeable number, because it can be changed into a prime (115650200551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5937220 + ... + 5956666.

It is an arithmetic number, because the mean of its divisors is an integer number (4043239200).

Almost surely, 2^115650200521 is an apocalyptic number.

It is an amenable number.

115650200521 is a deficient number, since it is larger than the sum of its proper divisors (13733453879).

115650200521 is a wasteful number, since it uses less digits than its factorization.

115650200521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19789.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 115650200521 in words is "one hundred fifteen billion, six hundred fifty million, two hundred thousand, five hundred twenty-one".