111106685 has 16 divisors (see below), whose sum is σ = 139166640. Its totient is φ = 85048320.

The previous prime is 111106651. The next prime is 111106687. The reversal of 111106685 is 586601111.

It can be written as a sum of positive squares in 8 ways, for example, as 18292729 + 92813956 = 4277^2 + 9634^2 .

It is not a de Polignac number, because 111106685 - 2²² = 106912381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111106687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12995 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (8697915).

Almost surely, 2^111106685 is an apocalyptic number.

It is an amenable number.

111106685 is a deficient number, since it is larger than the sum of its proper divisors (28059955).

111106685 is a wasteful number, since it uses less digits than its factorization.

111106685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 111106685 is about 10540.7155829194. The cubic root of 111106685 is about 480.7434731275.

Adding to 111106685 its reverse (586601111), we get a palindrome (697707796).

The spelling of 111106685 in words is "one hundred eleven million, one hundred six thousand, six hundred eighty-five".