11323321256 has 16 divisors (see below), whose sum is σ = 22864398900. Its totient is φ = 5226148224.

The previous prime is 11323321213. The next prime is 11323321267. The reversal of 11323321256 is 65212332311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10934048356 + 389272900 = 104566^2 + 19730^2 .

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, 54438941 + ... + 54439148.

Almost surely, 2^11323321256 is an apocalyptic number.

It is an amenable number.

11323321256 is an abundant number, since it is smaller than the sum of its proper divisors (11541077644).

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

11323321256 is a wasteful number, since it uses less digits than its factorization.

11323321256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108878108 (or 108878104 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

Adding to 11323321256 its reverse (65212332311), we get a palindrome (76535653567).

The spelling of 11323321256 in words is "eleven billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred fifty-six".