111844253872 has 40 divisors (see below), whose sum is σ = 238332620736. Its totient is φ = 50522113536.

The previous prime is 111844253849. The next prime is 111844253987. The reversal of 111844253872 is 278352448111.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5710573 + ... + 5730124.

Almost surely, 2^111844253872 is an apocalyptic number.

It is an amenable number.

111844253872 is an abundant number, since it is smaller than the sum of its proper divisors (126488366864).

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

111844253872 is a wasteful number, since it uses less digits than its factorization.

111844253872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440765 (or 11440759 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The spelling of 111844253872 in words is "one hundred eleven billion, eight hundred forty-four million, two hundred fifty-three thousand, eight hundred seventy-two".