11831056650 has 72 divisors (see below), whose sum is σ = 36326987424. Its totient is φ = 2704240800.

The previous prime is 11831056649. The next prime is 11831056651. The reversal of 11831056650 is 5665013811.

11831056650 is a `hidden beast` number, since 1 + 1 + 83 + 10 + 566 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11831056649) and next prime (11831056651).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11831056651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1874796 + ... + 1881095.

It is an arithmetic number, because the mean of its divisors is an integer number (504541492).

Almost surely, 2^11831056650 is an apocalyptic number.

11831056650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11831056650 is an abundant number, since it is smaller than the sum of its proper divisors (24495930774).

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

11831056650 is a wasteful number, since it uses less digits than its factorization.

11831056650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755916 (or 3755908 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 11831056650 in words is "eleven billion, eight hundred thirty-one million, fifty-six thousand, six hundred fifty".