13553320512 has 28 divisors (see below), whose sum is σ = 35859827696. Its totient is φ = 4517773440.

The previous prime is 13553320511. The next prime is 13553320531. The reversal of 13553320512 is 21502335531.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13553320512.

It is not an unprimeable number, because it can be changed into a prime (13553320511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35294914 + ... + 35295297.

It is an arithmetic number, because the mean of its divisors is an integer number (1280708132).

Almost surely, 2^13553320512 is an apocalyptic number.

13553320512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13553320512 is an abundant number, since it is smaller than the sum of its proper divisors (22306507184).

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

13553320512 is an equidigital number, since it uses as much as digits as its factorization.

13553320512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70590226 (or 70590216 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 13553320512 in words is "thirteen billion, five hundred fifty-three million, three hundred twenty thousand, five hundred twelve".