15204012425 has 24 divisors (see below), whose sum is σ = 21551227776. Its totient is φ = 10423203840.

The previous prime is 15204012419. The next prime is 15204012463. The reversal of 15204012425 is 52421040251.

It is not a de Polignac number, because 15204012425 - 2⁴ = 15204012409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15204012394 and 15204012403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103177 + ... + 1116873.

It is an arithmetic number, because the mean of its divisors is an integer number (897967824).

Almost surely, 2^15204012425 is an apocalyptic number.

It is an amenable number.

15204012425 is a deficient number, since it is larger than the sum of its proper divisors (6347215351).

15204012425 is a wasteful number, since it uses less digits than its factorization.

15204012425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057 (or 20052 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 15204012425 its reverse (52421040251), we get a palindrome (67625052676).

The spelling of 15204012425 in words is "fifteen billion, two hundred four million, twelve thousand, four hundred twenty-five".