115115215995 has 48 divisors (see below), whose sum is σ = 220122800352. Its totient is φ = 55289848320.

The previous prime is 115115215973. The next prime is 115115216011. The reversal of 115115215995 is 599512511511.

115115215995 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 1 + 52 + 1 + 599 + 5 = 666.

It is not a de Polignac number, because 115115215995 - 2¹⁹ = 115114691707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115115215995.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2375749 + ... + 2423718.

It is an arithmetic number, because the mean of its divisors is an integer number (4585891674).

Almost surely, 2^115115215995 is an apocalyptic number.

115115215995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115115215995 is a deficient number, since it is larger than the sum of its proper divisors (105007584357).

115115215995 is a wasteful number, since it uses less digits than its factorization.

115115215995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799532 (or 4799529 counting only the distinct ones).

The product of its digits is 101250, while the sum is 45.

The spelling of 115115215995 in words is "one hundred fifteen billion, one hundred fifteen million, two hundred fifteen thousand, nine hundred ninety-five".