11813904616 has 16 divisors (see below), whose sum is σ = 22152557700. Its totient is φ = 5906555904.

The previous prime is 11813904577. The next prime is 11813904637. The reversal of 11813904616 is 61640931811.

It can be written as a sum of positive squares in 2 ways, for example, as 11648884900 + 165019716 = 107930^2 + 12846^2 .

It is a super-2 number, since 2×11813904616² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105736 + ... + 186568.

Almost surely, 2^11813904616 is an apocalyptic number.

It is an amenable number.

11813904616 is a deficient number, since it is larger than the sum of its proper divisors (10338653084).

11813904616 is a wasteful number, since it uses less digits than its factorization.

11813904616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99108 (or 99104 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11813904616 in words is "eleven billion, eight hundred thirteen million, nine hundred four thousand, six hundred sixteen".