15120504325 has 6 divisors (see below), whose sum is σ = 18749425394. Its totient is φ = 12096403440.

The previous prime is 15120504319. The next prime is 15120504367. The reversal of 15120504325 is 52340502151.

It can be written as a sum of positive squares in 3 ways, for example, as 32558436 + 15087945889 = 5706^2 + 122833^2 .

It is not a de Polignac number, because 15120504325 - 2⁷ = 15120504197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15120504293 and 15120504302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302410062 + ... + 302410111.

Almost surely, 2^15120504325 is an apocalyptic number.

It is an amenable number.

15120504325 is a deficient number, since it is larger than the sum of its proper divisors (3628921069).

15120504325 is an equidigital number, since it uses as much as digits as its factorization.

15120504325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604820183 (or 604820178 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 15120504325 in words is "fifteen billion, one hundred twenty million, five hundred four thousand, three hundred twenty-five".