14921117725 has 12 divisors (see below), whose sum is σ = 18570468160. Its totient is φ = 11892841200.

The previous prime is 14921117689. The next prime is 14921117747. The reversal of 14921117725 is 52771112941.

It is not a de Polignac number, because 14921117725 - 2⁷ = 14921117597 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1094415 + ... + 1107964.

Almost surely, 2^14921117725 is an apocalyptic number.

It is an amenable number.

14921117725 is a deficient number, since it is larger than the sum of its proper divisors (3649350435).

14921117725 is a wasteful number, since it uses less digits than its factorization.

14921117725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202660 (or 2202655 counting only the distinct ones).

The product of its digits is 35280, while the sum is 40.

The spelling of 14921117725 in words is "fourteen billion, nine hundred twenty-one million, one hundred seventeen thousand, seven hundred twenty-five".