15530112425 has 24 divisors (see below), whose sum is σ = 20430942336. Its totient is φ = 11669853440.

The previous prime is 15530112413. The next prime is 15530112431. The reversal of 15530112425 is 52421103551.

It is not a de Polignac number, because 15530112425 - 2¹² = 15530108329 is a prime.

It is a Duffinian number.

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, 177452 + ... + 250098.

It is an arithmetic number, because the mean of its divisors is an integer number (851289264).

Almost surely, 2^15530112425 is an apocalyptic number.

It is an amenable number.

15530112425 is a deficient number, since it is larger than the sum of its proper divisors (4900829911).

15530112425 is a wasteful number, since it uses less digits than its factorization.

15530112425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73177 (or 73172 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15530112425 its reverse (52421103551), we get a palindrome (67951215976).

The spelling of 15530112425 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, four hundred twenty-five".