13651236256 has 24 divisors (see below), whose sum is σ = 30715282080. Its totient is φ = 5850529728.

The previous prime is 13651236251. The next prime is 13651236293. The reversal of 13651236256 is 65263215631.

13651236256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13651236251) by changing a digit.

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, 30471286 + ... + 30471733.

It is an arithmetic number, because the mean of its divisors is an integer number (1279803420).

Almost surely, 2^13651236256 is an apocalyptic number.

13651236256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13651236256 is an abundant number, since it is smaller than the sum of its proper divisors (17064045824).

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

13651236256 is an equidigital number, since it uses as much as digits as its factorization.

13651236256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60943036 (or 60943028 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 13651236256 in words is "thirteen billion, six hundred fifty-one million, two hundred thirty-six thousand, two hundred fifty-six".