115224234209209 has 2 divisors, whose sum is σ = 115224234209210. Its totient is φ = 115224234209208.

The previous prime is 115224234209191. The next prime is 115224234209219. The reversal of 115224234209209 is 902902432422511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109368090726400 + 5856143482809 = 10457920^2 + 2419947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115224234209209 is a prime.

It is a super-3 number, since 3×115224234209209³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (115224234209219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57612117104604 + 57612117104605.

It is an arithmetic number, because the mean of its divisors is an integer number (57612117104605).

Almost surely, 2^{115224234209209} is an apocalyptic number.

It is an amenable number.

115224234209209 is a deficient number, since it is larger than the sum of its proper divisors (1).

115224234209209 is an equidigital number, since it uses as much as digits as its factorization.

115224234209209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 115224234209209 in words is "one hundred fifteen trillion, two hundred twenty-four billion, two hundred thirty-four million, two hundred nine thousand, two hundred nine".