13520351216 has 20 divisors (see below), whose sum is σ = 26213343072. Its totient is φ = 6755617536.

The previous prime is 13520351167. The next prime is 13520351267. The reversal of 13520351216 is 61215302531.

13520351216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 260345 + ... + 307928.

Almost surely, 2^13520351216 is an apocalyptic number.

13520351216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13520351216 is a deficient number, since it is larger than the sum of its proper divisors (12692991856).

13520351216 is a wasteful number, since it uses less digits than its factorization.

13520351216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569768 (or 569762 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13520351216 its reverse (61215302531), we get a palindrome (74735653747).

The spelling of 13520351216 in words is "thirteen billion, five hundred twenty million, three hundred fifty-one thousand, two hundred sixteen".