15625102425 has 48 divisors (see below), whose sum is σ = 26582941440. Its totient is φ = 8093816640.

The previous prime is 15625102399. The next prime is 15625102489. The reversal of 15625102425 is 52420152651.

It is not a de Polignac number, because 15625102425 - 2¹¹ = 15625100377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 563742 + ... + 590808.

It is an arithmetic number, because the mean of its divisors is an integer number (553811280).

Almost surely, 2^15625102425 is an apocalyptic number.

15625102425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15625102425 is a deficient number, since it is larger than the sum of its proper divisors (10957839015).

15625102425 is a wasteful number, since it uses less digits than its factorization.

15625102425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27302 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 15625102425 in words is "fifteen billion, six hundred twenty-five million, one hundred two thousand, four hundred twenty-five".