111359 has 4 divisors (see below), whose sum is σ = 117240. Its totient is φ = 105480.

The previous prime is 111347. The next prime is 111373. The reversal of 111359 is 953111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111359 - 2⁸ = 111103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (29310).

2¹¹¹³⁵⁹ is an apocalyptic number.

111359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111359 is a deficient number, since it is larger than the sum of its proper divisors (5881).

111359 is an equidigital number, since it uses as much as digits as its factorization.

111359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880.

The product of its digits is 135, while the sum is 20.

The square root of 111359 is about 333.7049595076. The cubic root of 111359 is about 48.1107108868.

The spelling of 111359 in words is "one hundred eleven thousand, three hundred fifty-nine".