15105534156 has 72 divisors (see below), whose sum is σ = 40518622144. Its totient is φ = 4918067280.

The previous prime is 15105534139. The next prime is 15105534163. The reversal of 15105534156 is 65143550151.

15105534156 is a `hidden beast` number, since 1 + 5 + 10 + 553 + 41 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15105534156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138910 + ... + 222501.

Almost surely, 2^15105534156 is an apocalyptic number.

It is an amenable number.

15105534156 is an abundant number, since it is smaller than the sum of its proper divisors (25413087988).

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

15105534156 is a wasteful number, since it uses less digits than its factorization.

15105534156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361473 (or 361459 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 15105534156 in words is "fifteen billion, one hundred five million, five hundred thirty-four thousand, one hundred fifty-six".