115411015217 has 2 divisors, whose sum is σ = 115411015218. Its totient is φ = 115411015216.

The previous prime is 115411015211. The next prime is 115411015231. The reversal of 115411015217 is 712510114511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96105580081 + 19305435136 = 310009^2 + 138944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115411015217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115411015217.

It is not a weakly prime, because it can be changed into another prime (115411015211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57705507608 + 57705507609.

It is an arithmetic number, because the mean of its divisors is an integer number (57705507609).

Almost surely, 2^115411015217 is an apocalyptic number.

It is an amenable number.

115411015217 is a deficient number, since it is larger than the sum of its proper divisors (1).

115411015217 is an equidigital number, since it uses as much as digits as its factorization.

115411015217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 29.

Adding to 115411015217 its reverse (712510114511), we get a palindrome (827921129728).

The spelling of 115411015217 in words is "one hundred fifteen billion, four hundred eleven million, fifteen thousand, two hundred seventeen".