13504440525 has 12 divisors (see below), whose sum is σ = 22327341792. Its totient is φ = 7202368240.

The previous prime is 13504440517. The next prime is 13504440533. The reversal of 13504440525 is 52504440531.

It is an interprime number because it is at equal distance from previous prime (13504440517) and next prime (13504440533).

It is not a de Polignac number, because 13504440525 - 2³ = 13504440517 is a prime.

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, 90029529 + ... + 90029678.

It is an arithmetic number, because the mean of its divisors is an integer number (1860611816).

Almost surely, 2^13504440525 is an apocalyptic number.

13504440525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13504440525 is a deficient number, since it is larger than the sum of its proper divisors (8822901267).

13504440525 is a wasteful number, since it uses less digits than its factorization.

13504440525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180059220 (or 180059215 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 13504440525 in words is "thirteen billion, five hundred four million, four hundred forty thousand, five hundred twenty-five".