111608 has 16 divisors (see below), whose sum is σ = 239280. Its totient is φ = 47808.

The previous prime is 111599. The next prime is 111611. The reversal of 111608 is 806111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 941 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (14955).

2¹¹¹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

111608 is an abundant number, since it is smaller than the sum of its proper divisors (127672).

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

111608 is a wasteful number, since it uses less digits than its factorization.

111608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 111608 is about 334.0778352420. The cubic root of 111608 is about 48.1465428934.

Adding to 111608 its reverse (806111), we get a palindrome (917719).

The spelling of 111608 in words is "one hundred eleven thousand, six hundred eight".