111497939279 has 8 divisors (see below), whose sum is σ = 113394099840. Its totient is φ = 109601991000.

The previous prime is 111497939261. The next prime is 111497939317. The reversal of 111497939279 is 972939794111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111497939279 - 2²⁴ = 111481162063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111497939779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294694 + ... + 1378124.

It is an arithmetic number, because the mean of its divisors is an integer number (14174262480).

Almost surely, 2^111497939279 is an apocalyptic number.

111497939279 is a deficient number, since it is larger than the sum of its proper divisors (1896160561).

111497939279 is an equidigital number, since it uses as much as digits as its factorization.

111497939279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106141.

The product of its digits is 7715736, while the sum is 62.

The spelling of 111497939279 in words is "one hundred eleven billion, four hundred ninety-seven million, nine hundred thirty-nine thousand, two hundred seventy-nine".