111923899739 has 4 divisors (see below), whose sum is σ = 111941776656. Its totient is φ = 111906022824.

The previous prime is 111923899721. The next prime is 111923899783. The reversal of 111923899739 is 937998329111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111923899739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111923899939) 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, 8929064 + ... + 8941589.

It is an arithmetic number, because the mean of its divisors is an integer number (27985444164).

Almost surely, 2^111923899739 is an apocalyptic number.

111923899739 is a deficient number, since it is larger than the sum of its proper divisors (17876917).

111923899739 is an equidigital number, since it uses as much as digits as its factorization.

111923899739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876916.

The product of its digits is 6613488, while the sum is 62.

The spelling of 111923899739 in words is "one hundred eleven billion, nine hundred twenty-three million, eight hundred ninety-nine thousand, seven hundred thirty-nine".