111320680 has 16 divisors (see below), whose sum is σ = 250471620. Its totient is φ = 44528256.

The previous prime is 111320653. The next prime is 111320683. The reversal of 111320680 is 86023111.

It can be written as a sum of positive squares in 2 ways, for example, as 104571076 + 6749604 = 10226^2 + 2598^2 .

It is not an unprimeable number, because it can be changed into a prime (111320683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391469 + ... + 1391548.

Almost surely, 2^111320680 is an apocalyptic number.

111320680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111320680 is an abundant number, since it is smaller than the sum of its proper divisors (139150940).

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

111320680 is a wasteful number, since it uses less digits than its factorization.

111320680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783028 (or 2783024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 111320680 is about 10550.8615761937. The cubic root of 111320680 is about 481.0519175810.

Adding to 111320680 its reverse (86023111), we get a palindrome (197343791).

The spelling of 111320680 in words is "one hundred eleven million, three hundred twenty thousand, six hundred eighty".