13503091872 has 48 divisors (see below), whose sum is σ = 35597802240. Its totient is φ = 4481705472.

The previous prime is 13503091859. The next prime is 13503091883. The reversal of 13503091872 is 27819030531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13503091872.

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, 279472 + ... + 324207.

It is an arithmetic number, because the mean of its divisors is an integer number (741620880).

Almost surely, 2^13503091872 is an apocalyptic number.

13503091872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13503091872 is an abundant number, since it is smaller than the sum of its proper divisors (22094710368).

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

13503091872 is a wasteful number, since it uses less digits than its factorization.

13503091872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603925 (or 603917 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 13503091872 in words is "thirteen billion, five hundred three million, ninety-one thousand, eight hundred seventy-two".