15204542425 has 24 divisors (see below), whose sum is σ = 19853416800. Its totient is φ = 11519095680.

The previous prime is 15204542411. The next prime is 15204542461. The reversal of 15204542425 is 52424540251.

It is not a de Polignac number, because 15204542425 - 2⁵ = 15204542393 is a prime.

It is a super-2 number, since 2×15204542425² (a number of 21 digits) contains 22 as substring.

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, 1862202 + ... + 1870348.

It is an arithmetic number, because the mean of its divisors is an integer number (827225700).

Almost surely, 2^15204542425 is an apocalyptic number.

It is an amenable number.

15204542425 is a deficient number, since it is larger than the sum of its proper divisors (4648874375).

15204542425 is a wasteful number, since it uses less digits than its factorization.

15204542425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105 (or 12100 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 15204542425 in words is "fifteen billion, two hundred four million, five hundred forty-two thousand, four hundred twenty-five".