115343611217 has 2 divisors, whose sum is σ = 115343611218. Its totient is φ = 115343611216.

The previous prime is 115343611193. The next prime is 115343611249. The reversal of 115343611217 is 712116343511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112472366161 + 2871245056 = 335369^2 + 53584^2 .

It is an emirp because it is prime and its reverse (712116343511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115343611217 is a prime.

It is not a weakly prime, because it can be changed into another prime (115343611717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57671805608 + 57671805609.

It is an arithmetic number, because the mean of its divisors is an integer number (57671805609).

Almost surely, 2^115343611217 is an apocalyptic number.

It is an amenable number.

115343611217 is a deficient number, since it is larger than the sum of its proper divisors (1).

115343611217 is an equidigital number, since it uses as much as digits as its factorization.

115343611217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

Adding to 115343611217 its reverse (712116343511), we get a palindrome (827459954728).

The spelling of 115343611217 in words is "one hundred fifteen billion, three hundred forty-three million, six hundred eleven thousand, two hundred seventeen".