15165164525 has 24 divisors (see below), whose sum is σ = 21948476160. Its totient is φ = 10177709760.

The previous prime is 15165164479. The next prime is 15165164527. The reversal of 15165164525 is 52546156151.

It is not a de Polignac number, because 15165164525 - 2⁶ = 15165164461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15165164527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913670 + ... + 930119.

It is an arithmetic number, because the mean of its divisors is an integer number (914519840).

Almost surely, 2^15165164525 is an apocalyptic number.

It is an amenable number.

15165164525 is a deficient number, since it is larger than the sum of its proper divisors (6783311635).

15165164525 is a wasteful number, since it uses less digits than its factorization.

15165164525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843853 (or 1843848 counting only the distinct ones).

The product of its digits is 180000, while the sum is 41.

The spelling of 15165164525 in words is "fifteen billion, one hundred sixty-five million, one hundred sixty-four thousand, five hundred twenty-five".