111805157045380 has 24 divisors (see below), whose sum is σ = 234994818401280. Its totient is φ = 44683207845600.

The previous prime is 111805157045377. The next prime is 111805157045419. The reversal of 111805157045380 is 83540751508111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428412190 + ... + 2428458229.

It is an arithmetic number, because the mean of its divisors is an integer number (9791450766720).

Almost surely, 2^{111805157045380} is an apocalyptic number.

111805157045380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111805157045380 is an abundant number, since it is smaller than the sum of its proper divisors (123189661355900).

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

111805157045380 is a wasteful number, since it uses less digits than its factorization.

111805157045380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856871579 (or 4856871577 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 49.

The spelling of 111805157045380 in words is "one hundred eleven trillion, eight hundred five billion, one hundred fifty-seven million, forty-five thousand, three hundred eighty".