115117665601 has 4 divisors (see below), whose sum is σ = 115300103104. Its totient is φ = 114935228100.

The previous prime is 115117665599. The next prime is 115117665629. The reversal of 115117665601 is 106566711511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115117665601 - 2¹ = 115117665599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115117663601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91217805 + ... + 91219066.

It is an arithmetic number, because the mean of its divisors is an integer number (28825025776).

Almost surely, 2^115117665601 is an apocalyptic number.

It is an amenable number.

115117665601 is a deficient number, since it is larger than the sum of its proper divisors (182437503).

115117665601 is an equidigital number, since it uses as much as digits as its factorization.

115117665601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182437502.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 115117665601 in words is "one hundred fifteen billion, one hundred seventeen million, six hundred sixty-five thousand, six hundred one".