11806568356 has 24 divisors (see below), whose sum is σ = 22711883040. Its totient is φ = 5325652800.

The previous prime is 11806568353. The next prime is 11806568387. The reversal of 11806568356 is 65386560811.

It is not an unprimeable number, because it can be changed into a prime (11806568353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018401 + ... + 1029928.

It is an arithmetic number, because the mean of its divisors is an integer number (946328460).

Almost surely, 2^11806568356 is an apocalyptic number.

It is an amenable number.

11806568356 is a deficient number, since it is larger than the sum of its proper divisors (10905314684).

11806568356 is a wasteful number, since it uses less digits than its factorization.

11806568356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048475 (or 2048473 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 11806568356 in words is "eleven billion, eight hundred six million, five hundred sixty-eight thousand, three hundred fifty-six".