11771609922 has 54 divisors (see below), whose sum is σ = 25853922003. Its totient is φ = 3870933864.

The previous prime is 11771609911. The next prime is 11771609929. The reversal of 11771609922 is 22990617711.

11771609922 is a `hidden beast` number, since 1 + 17 + 7 + 1 + 609 + 9 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5885804961 + 5885804961 = 76719^2 + 76719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76719.

It is not an unprimeable number, because it can be changed into a prime (11771609929) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49253479 + ... + 49253717.

Almost surely, 2^11771609922 is an apocalyptic number.

11771609922 is an abundant number, since it is smaller than the sum of its proper divisors (14082312081).

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

11771609922 is an equidigital number, since it uses as much as digits as its factorization.

11771609922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The spelling of 11771609922 in words is "eleven billion, seven hundred seventy-one million, six hundred nine thousand, nine hundred twenty-two".