111552358180872 has 64 divisors (see below), whose sum is σ = 318723705060480. Its totient is φ = 31871834168832.

The previous prime is 111552358180853. The next prime is 111552358180877. The reversal of 111552358180872 is 278081853255111.

It is not an unprimeable number, because it can be changed into a prime (111552358180877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17678148 + ... + 23143500.

It is an arithmetic number, because the mean of its divisors is an integer number (4980057891570).

Almost surely, 2^{111552358180872} is an apocalyptic number.

111552358180872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111552358180872 is an abundant number, since it is smaller than the sum of its proper divisors (207171346879608).

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

111552358180872 is a wasteful number, since it uses less digits than its factorization.

111552358180872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586862 (or 5586858 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 57.

The spelling of 111552358180872 in words is "one hundred eleven trillion, five hundred fifty-two billion, three hundred fifty-eight million, one hundred eighty thousand, eight hundred seventy-two".