15042531904 has 21 divisors (see below), whose sum is σ = 29851971411. Its totient is φ = 7520775360.

The previous prime is 15042531899. The next prime is 15042531941. The reversal of 15042531904 is 40913524051.

The square root of 15042531904 is 122648.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15042531904.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 973519 + ... + 988849.

Almost surely, 2^15042531904 is an apocalyptic number.

15042531904 is the 122648-th square number.

It is an amenable number.

15042531904 is a deficient number, since it is larger than the sum of its proper divisors (14809439507).

15042531904 is an frugal number, since it uses more digits than its factorization.

15042531904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30674 (or 15333 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

It can be divided in two parts, 150425 and 31904, that added together give a square (182329 = 427²).

The spelling of 15042531904 in words is "fifteen billion, forty-two million, five hundred thirty-one thousand, nine hundred four".