111330775717 has 4 divisors (see below), whose sum is σ = 127235172256. Its totient is φ = 95426379180.

The previous prime is 111330775711. The next prime is 111330775741. The reversal of 111330775717 is 717577033111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717577033111 = 19 ⋅37767212269.

It is a cyclic number.

It is not a de Polignac number, because 111330775717 - 2¹⁵ = 111330742949 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 (111330775711) 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, 7952198259 + ... + 7952198272.

It is an arithmetic number, because the mean of its divisors is an integer number (31808793064).

Almost surely, 2^111330775717 is an apocalyptic number.

It is an amenable number.

111330775717 is a deficient number, since it is larger than the sum of its proper divisors (15904396539).

111330775717 is an equidigital number, since it uses as much as digits as its factorization.

111330775717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904396538.

The product of its (nonzero) digits is 108045, while the sum is 43.

The spelling of 111330775717 in words is "one hundred eleven billion, three hundred thirty million, seven hundred seventy-five thousand, seven hundred seventeen".