111981714136 has 16 divisors (see below), whose sum is σ = 210046789440. Its totient is φ = 55969236960.

The previous prime is 111981714133. The next prime is 111981714137. The reversal of 111981714136 is 631417189111.

It is a junction number, because it is equal to n+sod(n) for n = 111981714092 and 111981714101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111981714133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680491 + ... + 2721946.

It is an arithmetic number, because the mean of its divisors is an integer number (13127924340).

Almost surely, 2^111981714136 is an apocalyptic number.

It is an amenable number.

111981714136 is a deficient number, since it is larger than the sum of its proper divisors (98065075304).

111981714136 is a wasteful number, since it uses less digits than its factorization.

111981714136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405034 (or 5405030 counting only the distinct ones).

The product of its digits is 36288, while the sum is 43.

The spelling of 111981714136 in words is "one hundred eleven billion, nine hundred eighty-one million, seven hundred fourteen thousand, one hundred thirty-six".