111306680 has 16 divisors (see below), whose sum is σ = 250440120. Its totient is φ = 44522656.

The previous prime is 111306653. The next prime is 111306707. The reversal of 111306680 is 86603111.

It is an interprime number because it is at equal distance from previous prime (111306653) and next prime (111306707).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391294 + ... + 1391373.

Almost surely, 2^111306680 is an apocalyptic number.

111306680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111306680 is an abundant number, since it is smaller than the sum of its proper divisors (139133440).

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

111306680 is a wasteful number, since it uses less digits than its factorization.

111306680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782678 (or 2782674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 111306680 is about 10550.1981024055. The cubic root of 111306680 is about 481.0317505908.

Adding to 111306680 its reverse (86603111), we get a palindrome (197909791).

The spelling of 111306680 in words is "one hundred eleven million, three hundred six thousand, six hundred eighty".