18744951112 has 16 divisors (see below), whose sum is σ = 35164051200. Its totient is φ = 9367870800.

The previous prime is 18744951083. The next prime is 18744951139. The reversal of 18744951112 is 21115944781.

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, 558264 + ... + 590887.

It is an arithmetic number, because the mean of its divisors is an integer number (2197753200).

Almost surely, 2^18744951112 is an apocalyptic number.

It is an amenable number.

18744951112 is a deficient number, since it is larger than the sum of its proper divisors (16419100088).

18744951112 is a wasteful number, since it uses less digits than its factorization.

18744951112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151196 (or 1151192 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The spelling of 18744951112 in words is "eighteen billion, seven hundred forty-four million, nine hundred fifty-one thousand, one hundred twelve".