111227678055 has 144 divisors (see below), whose sum is σ = 213845486400. Its totient is φ = 53160726528.

The previous prime is 111227678033. The next prime is 111227678087. The reversal of 111227678055 is 550876722111.

It is not a de Polignac number, because 111227678055 - 2⁶ = 111227677991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 111227678055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 185688646 + ... + 185689244.

It is an arithmetic number, because the mean of its divisors is an integer number (1485038100).

Almost surely, 2^111227678055 is an apocalyptic number.

111227678055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111227678055 is a deficient number, since it is larger than the sum of its proper divisors (102617808345).

111227678055 is a wasteful number, since it uses less digits than its factorization.

111227678055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 111227678055 in words is "one hundred eleven billion, two hundred twenty-seven million, six hundred seventy-eight thousand, fifty-five".