111680439625 has 64 divisors (see below), whose sum is σ = 155786941440. Its totient is φ = 79435468800.

The previous prime is 111680439623. The next prime is 111680439653. The reversal of 111680439625 is 526934086111.

It is not a de Polignac number, because 111680439625 - 2¹ = 111680439623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111680439623) 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 63 ways as a sum of consecutive naturals, for example, 14813857 + ... + 14821393.

It is an arithmetic number, because the mean of its divisors is an integer number (2434170960).

Almost surely, 2^111680439625 is an apocalyptic number.

It is an amenable number.

111680439625 is a deficient number, since it is larger than the sum of its proper divisors (44106501815).

111680439625 is a wasteful number, since it uses less digits than its factorization.

111680439625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 111680439625 in words is "one hundred eleven billion, six hundred eighty million, four hundred thirty-nine thousand, six hundred twenty-five".