13520615364 has 96 divisors (see below), whose sum is σ = 36298886400. Its totient is φ = 4347060480.

The previous prime is 13520615347. The next prime is 13520615371. The reversal of 13520615364 is 46351602531.

13520615364 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 0 + 615 + 36 + 4 = 666.

13520615364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4731024 + ... + 4733880.

It is an arithmetic number, because the mean of its divisors is an integer number (378113400).

Almost surely, 2^13520615364 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 13520615364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18149443200).

13520615364 is an abundant number, since it is smaller than the sum of its proper divisors (22778271036).

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

13520615364 is a wasteful number, since it uses less digits than its factorization.

13520615364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 13520615364 in words is "thirteen billion, five hundred twenty million, six hundred fifteen thousand, three hundred sixty-four".