11945931116 has 24 divisors (see below), whose sum is σ = 24219152160. Its totient is φ = 5049551232.

The previous prime is 11945931091. The next prime is 11945931119. The reversal of 11945931116 is 61113954911.

It is not an unprimeable number, because it can be changed into a prime (11945931119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2920151 + ... + 2924238.

It is an arithmetic number, because the mean of its divisors is an integer number (1009131340).

Almost surely, 2^11945931116 is an apocalyptic number.

It is an amenable number.

11945931116 is an abundant number, since it is smaller than the sum of its proper divisors (12273221044).

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

11945931116 is a wasteful number, since it uses less digits than its factorization.

11945931116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844473 (or 5844471 counting only the distinct ones).

The product of its digits is 29160, while the sum is 41.

The spelling of 11945931116 in words is "eleven billion, nine hundred forty-five million, nine hundred thirty-one thousand, one hundred sixteen".