13015856969984 has 36 divisors (see below), whose sum is σ = 28342768095600. Its totient is φ = 5916298621440.

The previous prime is 13015856969911. The next prime is 13015856969989. The reversal of 13015856969984 is 48996965851031.

It is not an unprimeable number, because it can be changed into a prime (13015856969989) 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, 2311051334 + ... + 2311056965.

Almost surely, 2^{13015856969984} is an apocalyptic number.

It is an amenable number.

13015856969984 is an abundant number, since it is smaller than the sum of its proper divisors (15326911125616).

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

13015856969984 is an equidigital number, since it uses as much as digits as its factorization.

13015856969984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622108326 (or 4622108312 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 74.

The spelling of 13015856969984 in words is "thirteen trillion, fifteen billion, eight hundred fifty-six million, nine hundred sixty-nine thousand, nine hundred eighty-four".