15425512102 has 64 divisors (see below), whose sum is σ = 32701939200. Its totient is φ = 5255642880.

The previous prime is 15425512021. The next prime is 15425512117. The reversal of 15425512102 is 20121552451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164727 + ... + 240802.

It is an arithmetic number, because the mean of its divisors is an integer number (510967800).

Almost surely, 2^15425512102 is an apocalyptic number.

15425512102 is an abundant number, since it is smaller than the sum of its proper divisors (17276427098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15425512102 is a wasteful number, since it uses less digits than its factorization.

15425512102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405581.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 15425512102 in words is "fifteen billion, four hundred twenty-five million, five hundred twelve thousand, one hundred two".