115444992189917 has 8 divisors (see below), whose sum is σ = 124325819329656. Its totient is φ = 106564228353792.

The previous prime is 115444992189913. The next prime is 115444992189997. The reversal of 115444992189917 is 719981299444511.

It can be written as a sum of positive squares in 4 ways, for example, as 1185439710841 + 114259552479076 = 1088779^2 + 10689226^2 .

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 115444992189917 - 2² = 115444992189913 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 (115444992189911) 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, 12004088 + ... + 19364609.

It is an arithmetic number, because the mean of its divisors is an integer number (15540727416207).

Almost surely, 2^{115444992189917} is an apocalyptic number.

It is an amenable number.

115444992189917 is a deficient number, since it is larger than the sum of its proper divisors (8880827139739).

115444992189917 is a wasteful number, since it uses less digits than its factorization.

115444992189917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31651807.

The product of its digits is 235146240, while the sum is 74.

The spelling of 115444992189917 in words is "one hundred fifteen trillion, four hundred forty-four billion, nine hundred ninety-two million, one hundred eighty-nine thousand, nine hundred seventeen".