15115164084 has 120 divisors (see below), whose sum is σ = 39905490240. Its totient is φ = 4988739456.

The previous prime is 15115164079. The next prime is 15115164091. The reversal of 15115164084 is 48046151151.

15115164084 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 5 + 1 + 640 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26564152 + ... + 26564720.

It is an arithmetic number, because the mean of its divisors is an integer number (332545752).

Almost surely, 2^15115164084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15115164084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19952745120).

15115164084 is an abundant number, since it is smaller than the sum of its proper divisors (24790326156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15115164084 is a wasteful number, since it uses less digits than its factorization.

15115164084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 15115164084 in words is "fifteen billion, one hundred fifteen million, one hundred sixty-four thousand, eighty-four".