13520503522 has 8 divisors (see below), whose sum is σ = 20470295376. Its totient is φ = 6697071732.

The previous prime is 13520503519. The next prime is 13520503523. The reversal of 13520503522 is 22530502531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13520503523) 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, 31589748 + ... + 31590175.

It is an arithmetic number, because the mean of its divisors is an integer number (2558786922).

Almost surely, 2^13520503522 is an apocalyptic number.

13520503522 is a deficient number, since it is larger than the sum of its proper divisors (6949791854).

13520503522 is a wasteful number, since it uses less digits than its factorization.

13520503522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63180032.

The product of its (nonzero) digits is 9000, while the sum is 28.

Subtracting 13520503522 from its reverse (22530502531), we obtain a palindrome (9009999009).

The spelling of 13520503522 in words is "thirteen billion, five hundred twenty million, five hundred three thousand, five hundred twenty-two".