15125324425 has 24 divisors (see below), whose sum is σ = 19054110816. Its totient is φ = 11908275840.

The previous prime is 15125324351. The next prime is 15125324491. The reversal of 15125324425 is 52442352151.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-15125324425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843402 + ... + 861148.

It is an arithmetic number, because the mean of its divisors is an integer number (793921284).

Almost surely, 2^15125324425 is an apocalyptic number.

It is an amenable number.

15125324425 is a deficient number, since it is larger than the sum of its proper divisors (3928786391).

15125324425 is a wasteful number, since it uses less digits than its factorization.

15125324425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297 (or 18292 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 15125324425 its reverse (52442352151), we get a palindrome (67567676576).

The spelling of 15125324425 in words is "fifteen billion, one hundred twenty-five million, three hundred twenty-four thousand, four hundred twenty-five".