15912053925 has 24 divisors (see below), whose sum is σ = 26338876704. Its totient is φ = 8476445760.

The previous prime is 15912053917. The next prime is 15912054001. The reversal of 15912053925 is 52935021951.

It is not a de Polignac number, because 15912053925 - 2³ = 15912053917 is a prime.

It is a super-2 number, since 2×15912053925² (a number of 21 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 60387 + ... + 188336.

It is an arithmetic number, because the mean of its divisors is an integer number (1097453196).

Almost surely, 2^15912053925 is an apocalyptic number.

15912053925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15912053925 is a deficient number, since it is larger than the sum of its proper divisors (10426822779).

15912053925 is a wasteful number, since it uses less digits than its factorization.

15912053925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249589 (or 249584 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The spelling of 15912053925 in words is "fifteen billion, nine hundred twelve million, fifty-three thousand, nine hundred twenty-five".