13512553512 has 16 divisors (see below), whose sum is σ = 33781383840. Its totient is φ = 4504184496.

The previous prime is 13512553511. The next prime is 13512553543. The reversal of 13512553512 is 21535521531.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13512553511) 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, 281511508 + ... + 281511555.

It is an arithmetic number, because the mean of its divisors is an integer number (2111336490).

Almost surely, 2^13512553512 is an apocalyptic number.

13512553512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13512553512 is an abundant number, since it is smaller than the sum of its proper divisors (20268830328).

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

13512553512 is a wasteful number, since it uses less digits than its factorization.

13512553512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563023072 (or 563023068 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The spelling of 13512553512 in words is "thirteen billion, five hundred twelve million, five hundred fifty-three thousand, five hundred twelve".