13512522408 has 128 divisors (see below), whose sum is σ = 42353280000. Its totient is φ = 3490053120.

The previous prime is 13512522383. The next prime is 13512522427. The reversal of 13512522408 is 80422521531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310368 + ... + 351216.

It is an arithmetic number, because the mean of its divisors is an integer number (330885000).

Almost surely, 2^13512522408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13512522408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21176640000).

13512522408 is an abundant number, since it is smaller than the sum of its proper divisors (28840757592).

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

13512522408 is a wasteful number, since it uses less digits than its factorization.

13512522408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41055 (or 41051 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 13512522408 in words is "thirteen billion, five hundred twelve million, five hundred twenty-two thousand, four hundred eight".