13708545525 has 36 divisors (see below), whose sum is σ = 24791953888. Its totient is φ = 7240229280.

The previous prime is 13708545503. The next prime is 13708545541. The reversal of 13708545525 is 52554580731.

13708545525 is a `hidden beast` number, since 1 + 3 + 7 + 0 + 85 + 45 + 525 = 666.

It is not a de Polignac number, because 13708545525 - 2⁷ = 13708545397 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 272587 + ... + 318936.

Almost surely, 2^13708545525 is an apocalyptic number.

13708545525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13708545525 is a deficient number, since it is larger than the sum of its proper divisors (11083408363).

13708545525 is a wasteful number, since it uses less digits than its factorization.

13708545525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591642 (or 591634 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 13708545525 in words is "thirteen billion, seven hundred eight million, five hundred forty-five thousand, five hundred twenty-five".