15315164224 has 28 divisors (see below), whose sum is σ = 30504041100. Its totient is φ = 7629106688.

The previous prime is 15315164203. The next prime is 15315164297. The reversal of 15315164224 is 42246151351.

It can be written as a sum of positive squares in 2 ways, for example, as 2869530624 + 12445633600 = 53568^2 + 111560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15315164224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427579 + ... + 462010.

Almost surely, 2^15315164224 is an apocalyptic number.

It is an amenable number.

15315164224 is a deficient number, since it is larger than the sum of its proper divisors (15188876876).

15315164224 is an equidigital number, since it uses as much as digits as its factorization.

15315164224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889870 (or 889860 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The spelling of 15315164224 in words is "fifteen billion, three hundred fifteen million, one hundred sixty-four thousand, two hundred twenty-four".