111718088441 has 4 divisors (see below), whose sum is σ = 111883108452. Its totient is φ = 111553068432.

The previous prime is 111718088399. The next prime is 111718088509. The reversal of 111718088441 is 144880817111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75702019600 + 36016068841 = 275140^2 + 189779^2 .

It is a cyclic number.

It is not a de Polignac number, because 111718088441 - 2²² = 111713894137 is a prime.

It is a super-2 number, since 2×111718088441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111718088392 and 111718088401.

It is not an unprimeable number, because it can be changed into a prime (111718085441) 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, 82508990 + ... + 82510343.

It is an arithmetic number, because the mean of its divisors is an integer number (27970777113).

Almost surely, 2^111718088441 is an apocalyptic number.

It is an amenable number.

111718088441 is a deficient number, since it is larger than the sum of its proper divisors (165020011).

111718088441 is an equidigital number, since it uses as much as digits as its factorization.

111718088441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165020010.

The product of its (nonzero) digits is 57344, while the sum is 44.

The spelling of 111718088441 in words is "one hundred eleven billion, seven hundred eighteen million, eighty-eight thousand, four hundred forty-one".