15115110165 has 16 divisors (see below), whose sum is σ = 26871307200. Its totient is φ = 8061392016.

The previous prime is 15115110137. The next prime is 15115110173. The reversal of 15115110165 is 56101151151.

15115110165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15115110165 - 2⁵ = 15115110133 is a prime.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55981755 + ... + 55982024.

It is an arithmetic number, because the mean of its divisors is an integer number (1679456700).

Almost surely, 2^15115110165 is an apocalyptic number.

15115110165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15115110165 is a deficient number, since it is larger than the sum of its proper divisors (11756197035).

15115110165 is a wasteful number, since it uses less digits than its factorization.

15115110165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111963793 (or 111963787 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 15115110165 in words is "fifteen billion, one hundred fifteen million, one hundred ten thousand, one hundred sixty-five".