11944931944 has 16 divisors (see below), whose sum is σ = 24432815520. Its totient is φ = 5429514480.

The previous prime is 11944931917. The next prime is 11944931981. The reversal of 11944931944 is 44913944911.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67868844 + ... + 67869019.

It is an arithmetic number, because the mean of its divisors is an integer number (1527050970).

Almost surely, 2^11944931944 is an apocalyptic number.

It is an amenable number.

11944931944 is an abundant number, since it is smaller than the sum of its proper divisors (12487883576).

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

11944931944 is a wasteful number, since it uses less digits than its factorization.

11944931944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135737880 (or 135737876 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The spelling of 11944931944 in words is "eleven billion, nine hundred forty-four million, nine hundred thirty-one thousand, nine hundred forty-four".