15253407122 has 18 divisors (see below), whose sum is σ = 23924450613. Its totient is φ = 7293186472.

The previous prime is 15253407083. The next prime is 15253407173. The reversal of 15253407122 is 22170435251.

It can be written as a sum of positive squares in 2 ways, for example, as 9362691121 + 5890716001 = 96761^2 + 76751^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=87331.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4015328 + ... + 4019124.

Almost surely, 2^15253407122 is an apocalyptic number.

15253407122 is a deficient number, since it is larger than the sum of its proper divisors (8671043491).

15253407122 is an frugal number, since it uses more digits than its factorization.

15253407122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Multiplying 15253407122 by its sum of digits (32), we get a square (488109027904 = 698648²).

The spelling of 15253407122 in words is "fifteen billion, two hundred fifty-three million, four hundred seven thousand, one hundred twenty-two".