13351445256 has 64 divisors (see below), whose sum is σ = 34557321600. Its totient is φ = 4293567488.

The previous prime is 13351445251. The next prime is 13351445281. The reversal of 13351445256 is 65254415331.

It is a happy number.

13351445256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13351445256² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13351445251) 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 15 ways as a sum of consecutive naturals, for example, 944416 + ... + 958448.

It is an arithmetic number, because the mean of its divisors is an integer number (539958150).

Almost surely, 2^13351445256 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 13351445256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17278660800).

13351445256 is an abundant number, since it is smaller than the sum of its proper divisors (21205876344).

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

13351445256 is a wasteful number, since it uses less digits than its factorization.

13351445256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438 (or 15434 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The spelling of 13351445256 in words is "thirteen billion, three hundred fifty-one million, four hundred forty-five thousand, two hundred fifty-six".