111552456220 has 12 divisors (see below), whose sum is σ = 234260158104. Its totient is φ = 44620982480.

The previous prime is 111552456163. The next prime is 111552456227. The reversal of 111552456220 is 22654255111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111552456227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2788811386 + ... + 2788811425.

It is an arithmetic number, because the mean of its divisors is an integer number (19521679842).

Almost surely, 2^111552456220 is an apocalyptic number.

111552456220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111552456220 is an abundant number, since it is smaller than the sum of its proper divisors (122707701884).

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

111552456220 is a wasteful number, since it uses less digits than its factorization.

111552456220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577622820 (or 5577622818 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 111552456220 in words is "one hundred eleven billion, five hundred fifty-two million, four hundred fifty-six thousand, two hundred twenty".