13504154520 has 32 divisors (see below), whose sum is σ = 40512463920. Its totient is φ = 3601107840.

The previous prime is 13504154509. The next prime is 13504154533. The reversal of 13504154520 is 2545140531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56267191 + ... + 56267430.

Almost surely, 2^13504154520 is an apocalyptic number.

13504154520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504154520 is an abundant number, since it is smaller than the sum of its proper divisors (27008309400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13504154520 is a wasteful number, since it uses less digits than its factorization.

13504154520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112534635 (or 112534631 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 13504154520 in words is "thirteen billion, five hundred four million, one hundred fifty-four thousand, five hundred twenty".