111515160043212 has 12 divisors (see below), whose sum is σ = 260202040100856. Its totient is φ = 37171720014400.

The previous prime is 111515160043093. The next prime is 111515160043247. The reversal of 111515160043212 is 212340061515111.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4646465001789 + ... + 4646465001812.

It is an arithmetic number, because the mean of its divisors is an integer number (21683503341738).

Almost surely, 2^{111515160043212} is an apocalyptic number.

111515160043212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111515160043212 is an abundant number, since it is smaller than the sum of its proper divisors (148686880057644).

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

111515160043212 is a wasteful number, since it uses less digits than its factorization.

111515160043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292930003608 (or 9292930003606 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 111515160043212 in words is "one hundred eleven trillion, five hundred fifteen billion, one hundred sixty million, forty-three thousand, two hundred twelve".