15326530425 has 60 divisors (see below), whose sum is σ = 28549311120. Its totient is φ = 8128291680.

The previous prime is 15326530411. The next prime is 15326530433. The reversal of 15326530425 is 52403562351.

15326530425 is a `hidden beast` number, since 1 + 5 + 326 + 5 + 304 + 25 = 666.

It is not a de Polignac number, because 15326530425 - 2⁴ = 15326530409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15326530425.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 341334 + ... + 383616.

It is an arithmetic number, because the mean of its divisors is an integer number (475821852).

Almost surely, 2^15326530425 is an apocalyptic number.

15326530425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15326530425 is a deficient number, since it is larger than the sum of its proper divisors (13222780695).

15326530425 is a wasteful number, since it uses less digits than its factorization.

15326530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42484 (or 42470 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 15326530425 in words is "fifteen billion, three hundred twenty-six million, five hundred thirty thousand, four hundred twenty-five".