15049533156 has 48 divisors (see below), whose sum is σ = 40258759296. Its totient is φ = 4286294784.

The previous prime is 15049533137. The next prime is 15049533157. The reversal of 15049533156 is 65133594051.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (15049533157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255961 + ... + 309216.

It is an arithmetic number, because the mean of its divisors is an integer number (838724152).

Almost surely, 2^15049533156 is an apocalyptic number.

It is an amenable number.

15049533156 is an abundant number, since it is smaller than the sum of its proper divisors (25209226140).

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

15049533156 is a wasteful number, since it uses less digits than its factorization.

15049533156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565508 (or 565506 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 15049533156 in words is "fifteen billion, forty-nine million, five hundred thirty-three thousand, one hundred fifty-six".