111594 has 16 divisors (see below), whose sum is σ = 255168. Its totient is φ = 31872.

The previous prime is 111593. The next prime is 111599. The reversal of 111594 is 495111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111594.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 111594.

It is not an unprimeable number, because it can be changed into a prime (111593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (15948).

2¹¹¹⁵⁹⁴ is an apocalyptic number.

111594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111594 is an abundant number, since it is smaller than the sum of its proper divisors (143574).

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

111594 is a wasteful number, since it uses less digits than its factorization.

111594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its digits is 180, while the sum is 21.

The square root of 111594 is about 334.0568813840. The cubic root of 111594 is about 48.1445296572.

The spelling of 111594 in words is "one hundred eleven thousand, five hundred ninety-four".