115216043717 has 4 divisors (see below), whose sum is σ = 115250205420. Its totient is φ = 115181882016.

The previous prime is 115216043713. The next prime is 115216043741. The reversal of 115216043717 is 717340612511.

It is a happy number.

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 85190431876 + 30025611841 = 291874^2 + 173279^2 .

It is a cyclic number.

It is not a de Polignac number, because 115216043717 - 2² = 115216043713 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 (115216043713) 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, 17075792 + ... + 17082537.

It is an arithmetic number, because the mean of its divisors is an integer number (28812551355).

Almost surely, 2^115216043717 is an apocalyptic number.

It is an amenable number.

115216043717 is a deficient number, since it is larger than the sum of its proper divisors (34161703).

115216043717 is an equidigital number, since it uses as much as digits as its factorization.

115216043717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34161702.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 115216043717 in words is "one hundred fifteen billion, two hundred sixteen million, forty-three thousand, seven hundred seventeen".