111680506 has 24 divisors (see below), whose sum is σ = 196187616. Its totient is φ = 47539800.

The previous prime is 111680489. The next prime is 111680509. The reversal of 111680506 is 605086111.

It is not an unprimeable number, because it can be changed into a prime (111680509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11025 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (8174484).

Almost surely, 2^111680506 is an apocalyptic number.

111680506 is a deficient number, since it is larger than the sum of its proper divisors (84507110).

111680506 is a wasteful number, since it uses less digits than its factorization.

111680506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7707 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 111680506 is about 10567.8997913493. The cubic root of 111680506 is about 481.5696675055.

The spelling of 111680506 in words is "one hundred eleven million, six hundred eighty thousand, five hundred six".