111639102844 has 12 divisors (see below), whose sum is σ = 202105272600. Its totient is φ = 53894739248.

The previous prime is 111639102829. The next prime is 111639102853. The reversal of 111639102844 is 448201936111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111639102797 and 111639102806.

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, 481202914 + ... + 481203145.

It is an arithmetic number, because the mean of its divisors is an integer number (16842106050).

Almost surely, 2^111639102844 is an apocalyptic number.

It is an amenable number.

111639102844 is a deficient number, since it is larger than the sum of its proper divisors (90466169756).

111639102844 is a wasteful number, since it uses less digits than its factorization.

111639102844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962406092 (or 962406090 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 111639102844 in words is "one hundred eleven billion, six hundred thirty-nine million, one hundred two thousand, eight hundred forty-four".