13523304512 has 14 divisors (see below), whose sum is σ = 26835307518. Its totient is φ = 6761652224.

The previous prime is 13523304481. The next prime is 13523304533. The reversal of 13523304512 is 21540332531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13433737216 + 89567296 = 115904^2 + 9464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105650753 + ... + 105650880.

Almost surely, 2^13523304512 is an apocalyptic number.

It is an amenable number.

13523304512 is a deficient number, since it is larger than the sum of its proper divisors (13312003006).

13523304512 is an equidigital number, since it uses as much as digits as its factorization.

13523304512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211301645 (or 211301635 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13523304512 in words is "thirteen billion, five hundred twenty-three million, three hundred four thousand, five hundred twelve".