18737224847112 has 16 divisors (see below), whose sum is σ = 46843062117840. Its totient is φ = 6245741615696.

The previous prime is 18737224847111. The next prime is 18737224847129. The reversal of 18737224847112 is 21174842273781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18737224847111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390358850958 + ... + 390358851005.

It is an arithmetic number, because the mean of its divisors is an integer number (2927691382365).

Almost surely, 2^{18737224847112} is an apocalyptic number.

18737224847112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18737224847112 is an abundant number, since it is smaller than the sum of its proper divisors (28105837270728).

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

18737224847112 is a wasteful number, since it uses less digits than its factorization.

18737224847112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780717701972 (or 780717701968 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The spelling of 18737224847112 in words is "eighteen trillion, seven hundred thirty-seven billion, two hundred twenty-four million, eight hundred forty-seven thousand, one hundred twelve".