11611116650 has 48 divisors (see below), whose sum is σ = 25478131200. Its totient is φ = 3852532800.

The previous prime is 11611116577. The next prime is 11611116691. The reversal of 11611116650 is 5661111611.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524225 + ... + 545924.

It is an arithmetic number, because the mean of its divisors is an integer number (530794400).

Almost surely, 2^11611116650 is an apocalyptic number.

11611116650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11611116650 is an abundant number, since it is smaller than the sum of its proper divisors (13867014550).

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

11611116650 is a wasteful number, since it uses less digits than its factorization.

11611116650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070199 (or 1070194 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 11611116650 in words is "eleven billion, six hundred eleven million, one hundred sixteen thousand, six hundred fifty".