15115112255115 has 96 divisors (see below), whose sum is σ = 27270894006720. Its totient is φ = 7739078860800.

The previous prime is 15115112255057. The next prime is 15115112255119. The reversal of 15115112255115 is 51155221151151.

15115112255115 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 5 + 112 + 25 + 511 + 5 = 666.

It is not a de Polignac number, because 15115112255115 - 2¹⁶ = 15115112189579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15115112255115.

It is not an unprimeable number, because it can be changed into a prime (15115112255119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28718625 + ... + 29240205.

It is an arithmetic number, because the mean of its divisors is an integer number (284071812570).

Almost surely, 2^{15115112255115} is an apocalyptic number.

15115112255115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15115112255115 is a deficient number, since it is larger than the sum of its proper divisors (12155781751605).

15115112255115 is a wasteful number, since it uses less digits than its factorization.

15115112255115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521885 (or 521882 counting only the distinct ones).

The product of its digits is 12500, while the sum is 36.

The spelling of 15115112255115 in words is "fifteen trillion, one hundred fifteen billion, one hundred twelve million, two hundred fifty-five thousand, one hundred fifteen".