13503444781072 has 40 divisors (see below), whose sum is σ = 26870386837952. Its totient is φ = 6569156246400.

The previous prime is 13503444781069. The next prime is 13503444781117. The reversal of 13503444781072 is 27018744430531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83942797 + ... + 84103507.

Almost surely, 2^{13503444781072} is an apocalyptic number.

It is an amenable number.

13503444781072 is a deficient number, since it is larger than the sum of its proper divisors (13366942056880).

13503444781072 is a wasteful number, since it uses less digits than its factorization.

13503444781072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302687 (or 302681 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 13503444781072 in words is "thirteen trillion, five hundred three billion, four hundred forty-four million, seven hundred eighty-one thousand, seventy-two".