15120211325 has 12 divisors (see below), whose sum is σ = 18777533280. Its totient is φ = 12077800560.

The previous prime is 15120211297. The next prime is 15120211367. The reversal of 15120211325 is 52311202151.

It is not a de Polignac number, because 15120211325 - 2²⁰ = 15119162749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15120211325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442409 + ... + 475358.

It is an arithmetic number, because the mean of its divisors is an integer number (1564794440).

Almost surely, 2^15120211325 is an apocalyptic number.

It is an amenable number.

15120211325 is a deficient number, since it is larger than the sum of its proper divisors (3657321955).

15120211325 is an equidigital number, since it uses as much as digits as its factorization.

15120211325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918436 (or 918431 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 15120211325 its reverse (52311202151), we get a palindrome (67431413476).

The spelling of 15120211325 in words is "fifteen billion, one hundred twenty million, two hundred eleven thousand, three hundred twenty-five".