11643353256 has 16 divisors (see below), whose sum is σ = 29108383200. Its totient is φ = 3881117744.

The previous prime is 11643353237. The next prime is 11643353279. The reversal of 11643353256 is 65235334611.

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, 242569836 + ... + 242569883.

It is an arithmetic number, because the mean of its divisors is an integer number (1819273950).

Almost surely, 2^11643353256 is an apocalyptic number.

It is an amenable number.

11643353256 is an abundant number, since it is smaller than the sum of its proper divisors (17465029944).

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

11643353256 is a wasteful number, since it uses less digits than its factorization.

11643353256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485139728 (or 485139724 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

Adding to 11643353256 its reverse (65235334611), we get a palindrome (76878687867).

The spelling of 11643353256 in words is "eleven billion, six hundred forty-three million, three hundred fifty-three thousand, two hundred fifty-six".