111839720108 has 12 divisors (see below), whose sum is σ = 195918621360. Its totient is φ = 55862971152.

The previous prime is 111839720077. The next prime is 111839720119. The reversal of 111839720108 is 801027938111.

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, 14217803 + ... + 14225666.

It is an arithmetic number, because the mean of its divisors is an integer number (16326551780).

Almost surely, 2^111839720108 is an apocalyptic number.

It is an amenable number.

111839720108 is a deficient number, since it is larger than the sum of its proper divisors (84078901252).

111839720108 is a wasteful number, since it uses less digits than its factorization.

111839720108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444456 (or 28444454 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 111839720108 in words is "one hundred eleven billion, eight hundred thirty-nine million, seven hundred twenty thousand, one hundred eight".