111090055 has 8 divisors (see below), whose sum is σ = 140324400. Its totient is φ = 84194496.

The previous prime is 111090043. The next prime is 111090059. The reversal of 111090055 is 550090111.

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 111090055 - 2¹³ = 111081863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111090059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584590 + ... + 584779.

It is an arithmetic number, because the mean of its divisors is an integer number (17540550).

Almost surely, 2^111090055 is an apocalyptic number.

111090055 is a deficient number, since it is larger than the sum of its proper divisors (29234345).

111090055 is a wasteful number, since it uses less digits than its factorization.

111090055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169393.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 111090055 is about 10539.9267075251. The cubic root of 111090055 is about 480.7194866834.

The spelling of 111090055 in words is "one hundred eleven million, ninety thousand, fifty-five".