111966055 has 8 divisors (see below), whose sum is σ = 135056592. Its totient is φ = 89107968.

The previous prime is 111966037. The next prime is 111966059. The reversal of 111966055 is 550669111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111966055 - 2⁹ = 111965543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111966055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111966059) by changing a digit.

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, 57049 + ... + 58978.

It is an arithmetic number, because the mean of its divisors is an integer number (16882074).

Almost surely, 2^111966055 is an apocalyptic number.

111966055 is a deficient number, since it is larger than the sum of its proper divisors (23090537).

111966055 is a wasteful number, since it uses less digits than its factorization.

111966055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116225.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 111966055 is about 10581.4013722191. The cubic root of 111966055 is about 481.9797501292.

The spelling of 111966055 in words is "one hundred eleven million, nine hundred sixty-six thousand, fifty-five".