13995725265 has 64 divisors (see below), whose sum is σ = 25624646400. Its totient is φ = 7242504192.

The previous prime is 13995725257. The next prime is 13995725267. The reversal of 13995725265 is 56252759931.

13995725265 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 572 + 5 + 2 + 65 = 666.

It is not a de Polignac number, because 13995725265 - 2³ = 13995725257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13995725267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1889409 + ... + 1896801.

It is an arithmetic number, because the mean of its divisors is an integer number (400385100).

Almost surely, 2^13995725265 is an apocalyptic number.

13995725265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13995725265 is a deficient number, since it is larger than the sum of its proper divisors (11628921135).

13995725265 is a wasteful number, since it uses less digits than its factorization.

13995725265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823 (or 7817 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 54.

The spelling of 13995725265 in words is "thirteen billion, nine hundred ninety-five million, seven hundred twenty-five thousand, two hundred sixty-five".