11944931902 has 32 divisors (see below), whose sum is σ = 18596809440. Its totient is φ = 5750384640.

The previous prime is 11944931897. The next prime is 11944931909. The reversal of 11944931902 is 20913944911.

It is a happy number.

11944931902 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944931909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699652 + ... + 2704072.

It is an arithmetic number, because the mean of its divisors is an integer number (581150295).

Almost surely, 2^11944931902 is an apocalyptic number.

11944931902 is a deficient number, since it is larger than the sum of its proper divisors (6651877538).

11944931902 is a wasteful number, since it uses less digits than its factorization.

11944931902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 11944931902 in words is "eleven billion, nine hundred forty-four million, nine hundred thirty-one thousand, nine hundred two".