111797231617 has 8 divisors (see below), whose sum is σ = 114567177824. Its totient is φ = 109035013248.

The previous prime is 111797231587. The next prime is 111797231639. The reversal of 111797231617 is 716132797111.

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 111797231617 - 2¹¹ = 111797229569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111797231657) 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, 1902663 + ... + 1960540.

It is an arithmetic number, because the mean of its divisors is an integer number (14320897228).

Almost surely, 2^111797231617 is an apocalyptic number.

It is an amenable number.

111797231617 is a deficient number, since it is larger than the sum of its proper divisors (2769946207).

111797231617 is an equidigital number, since it uses as much as digits as its factorization.

111797231617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863919.

The product of its digits is 111132, while the sum is 46.

The spelling of 111797231617 in words is "one hundred eleven billion, seven hundred ninety-seven million, two hundred thirty-one thousand, six hundred seventeen".