11771609924 has 24 divisors (see below), whose sum is σ = 20740079640. Its totient is φ = 5845941504.

The previous prime is 11771609911. The next prime is 11771609929. The reversal of 11771609924 is 42990617711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5885958400 + 5885651524 = 76720^2 + 76718^2 .

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 7 ways as a sum of consecutive naturals, for example, 731792 + ... + 747704.

It is an arithmetic number, because the mean of its divisors is an integer number (864169985).

Almost surely, 2^11771609924 is an apocalyptic number.

It is an amenable number.

11771609924 is a deficient number, since it is larger than the sum of its proper divisors (8968469716).

11771609924 is a wasteful number, since it uses less digits than its factorization.

11771609924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17159 (or 17157 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 11771609924 in words is "eleven billion, seven hundred seventy-one million, six hundred nine thousand, nine hundred twenty-four".