215289353295113 has 2 divisors, whose sum is σ = 215289353295114. Its totient is φ = 215289353295112.

The previous prime is 215289353295077. The next prime is 215289353295131. The reversal of 215289353295113 is 311592353982512.

Together with next prime (215289353295131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166723953338569 + 48565399956544 = 12912163^2 + 6968888^2 .

It is a cyclic number.

It is not a de Polignac number, because 215289353295113 - 2¹⁰ = 215289353294089 is a prime.

It is not a weakly prime, because it can be changed into another prime (215289353295173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107644676647556 + 107644676647557.

It is an arithmetic number, because the mean of its divisors is an integer number (107644676647557).

Almost surely, 2^{215289353295113} is an apocalyptic number.

It is an amenable number.

215289353295113 is a deficient number, since it is larger than the sum of its proper divisors (1).

215289353295113 is an equidigital number, since it uses as much as digits as its factorization.

215289353295113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496000, while the sum is 59.

The spelling of 215289353295113 in words is "two hundred fifteen trillion, two hundred eighty-nine billion, three hundred fifty-three million, two hundred ninety-five thousand, one hundred thirteen".