111365055 has 48 divisors (see below), whose sum is σ = 200703360. Its totient is φ = 57081024.

The previous prime is 111365047. The next prime is 111365063. The reversal of 111365055 is 550563111.

111365055 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 650 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (111365047) and next prime (111365063).

It is not a de Polignac number, because 111365055 - 2³ = 111365047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 129216 + ... + 130074.

It is an arithmetic number, because the mean of its divisors is an integer number (4181320).

Almost surely, 2^111365055 is an apocalyptic number.

111365055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111365055 is a deficient number, since it is larger than the sum of its proper divisors (89338305).

111365055 is a wasteful number, since it uses less digits than its factorization.

111365055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 111365055 is about 10552.9642755010. The cubic root of 111365055 is about 481.1158285663.

The spelling of 111365055 in words is "one hundred eleven million, three hundred sixty-five thousand, fifty-five".