115660101015 has 32 divisors (see below), whose sum is σ = 207653803200. Its totient is φ = 61074633600.

The previous prime is 115660100953. The next prime is 115660101043. The reversal of 115660101015 is 510101066511.

115660101015 is a `hidden beast` number, since 1 + 1 + 56 + 601 + 0 + 1 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 115660101015 - 2¹⁰ = 115660099991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 115660101015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4227660 + ... + 4254929.

It is an arithmetic number, because the mean of its divisors is an integer number (6489181350).

Almost surely, 2^115660101015 is an apocalyptic number.

115660101015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115660101015 is a deficient number, since it is larger than the sum of its proper divisors (91993702185).

115660101015 is a wasteful number, since it uses less digits than its factorization.

115660101015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482704 (or 8482698 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 115660101015 its reverse (510101066511), we get a palindrome (625761167526).

The spelling of 115660101015 in words is "one hundred fifteen billion, six hundred sixty million, one hundred one thousand, fifteen".