13245216256 has 40 divisors (see below), whose sum is σ = 28021320360. Its totient is φ = 6233038848.

The previous prime is 13245216233. The next prime is 13245216263. The reversal of 13245216256 is 65261254231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752166 + ... + 769573.

It is an arithmetic number, because the mean of its divisors is an integer number (700533009).

Almost surely, 2^13245216256 is an apocalyptic number.

13245216256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13245216256 is an abundant number, since it is smaller than the sum of its proper divisors (14776104104).

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

13245216256 is an equidigital number, since it uses as much as digits as its factorization.

13245216256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521774 (or 1521758 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 13245216256 in words is "thirteen billion, two hundred forty-five million, two hundred sixteen thousand, two hundred fifty-six".