111008680 has 32 divisors (see below), whose sum is σ = 250079400. Its totient is φ = 44348416.

The previous prime is 111008663. The next prime is 111008687. The reversal of 111008680 is 86800111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80604484 + 30404196 = 8978^2 + 5514^2 .

It is not an unprimeable number, because it can be changed into a prime (111008687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50484 + ... + 52636.

Almost surely, 2^111008680 is an apocalyptic number.

111008680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111008680 is an abundant number, since it is smaller than the sum of its proper divisors (139070720).

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

111008680 is a wasteful number, since it uses less digits than its factorization.

111008680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 111008680 is about 10536.0656793701. The cubic root of 111008680 is about 480.6020801231.

Adding to 111008680 its reverse (86800111), we get a palindrome (197808791).

The spelling of 111008680 in words is "one hundred eleven million, eight thousand, six hundred eighty".