115623015651 has 64 divisors (see below), whose sum is σ = 209989463040. Its totient is φ = 61871800320.

The previous prime is 115623015593. The next prime is 115623015667. The reversal of 115623015651 is 156510326511.

115623015651 is a `hidden beast` number, since 1 + 1 + 5 + 62 + 30 + 1 + 565 + 1 = 666.

It is not a de Polignac number, because 115623015651 - 2⁷ = 115623015523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115628015651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 562206 + ... + 739811.

It is an arithmetic number, because the mean of its divisors is an integer number (3281085360).

Almost surely, 2^115623015651 is an apocalyptic number.

115623015651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115623015651 is a deficient number, since it is larger than the sum of its proper divisors (94366447389).

115623015651 is a wasteful number, since it uses less digits than its factorization.

115623015651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302073 (or 1302067 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 115623015651 in words is "one hundred fifteen billion, six hundred twenty-three million, fifteen thousand, six hundred fifty-one".