111680439624 has 96 divisors (see below), whose sum is σ = 339897055680. Its totient is φ = 32869153152.

The previous prime is 111680439623. The next prime is 111680439653. The reversal of 111680439624 is 426934086111.

111680439624 is a `hidden beast` number, since 1 + 1 + 16 + 8 + 0 + 4 + 3 + 9 + 624 = 666.

It is a super-2 number, since 2×111680439624² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111680439624.

It is not an unprimeable number, because it can be changed into a prime (111680439623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2572314 + ... + 2615369.

It is an arithmetic number, because the mean of its divisors is an integer number (3540594330).

Almost surely, 2^111680439624 is an apocalyptic number.

It is an amenable number.

111680439624 is an abundant number, since it is smaller than the sum of its proper divisors (228216616056).

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

111680439624 is a wasteful number, since it uses less digits than its factorization.

111680439624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187731 (or 5187724 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 111680439624 in words is "one hundred eleven billion, six hundred eighty million, four hundred thirty-nine thousand, six hundred twenty-four".