2617123235117 has 2 divisors, whose sum is σ = 2617123235118. Its totient is φ = 2617123235116.

The previous prime is 2617123235071. The next prime is 2617123235161. The reversal of 2617123235117 is 7115323217162.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697545804201 + 919577430916 = 1302899^2 + 958946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2617123235117 - 2¹⁰ = 2617123234093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2617123295117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308561617558 + 1308561617559.

It is an arithmetic number, because the mean of its divisors is an integer number (1308561617559).

Almost surely, 2^{2617123235117} is an apocalyptic number.

It is an amenable number.

2617123235117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2617123235117 is an equidigital number, since it uses as much as digits as its factorization.

2617123235117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The spelling of 2617123235117 in words is "two trillion, six hundred seventeen billion, one hundred twenty-three million, two hundred thirty-five thousand, one hundred seventeen".