111985424792 has 8 divisors (see below), whose sum is σ = 209972671500. Its totient is φ = 55992712392.

The previous prime is 111985424791. The next prime is 111985424809. The reversal of 111985424792 is 297424589111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111985424791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999089042 + ... + 6999089057.

Almost surely, 2^111985424792 is an apocalyptic number.

It is an amenable number.

111985424792 is a deficient number, since it is larger than the sum of its proper divisors (97987246708).

111985424792 is a wasteful number, since it uses less digits than its factorization.

111985424792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998178105 (or 13998178101 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The spelling of 111985424792 in words is "one hundred eleven billion, nine hundred eighty-five million, four hundred twenty-four thousand, seven hundred ninety-two".