8611516117 has 2 divisors, whose sum is σ = 8611516118. Its totient is φ = 8611516116.

The previous prime is 8611516063. The next prime is 8611516153. The reversal of 8611516117 is 7116151168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5776912036 + 2834604081 = 76006^2 + 53241^2 .

It is a cyclic number.

It is not a de Polignac number, because 8611516117 - 2²³ = 8603127509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8611516817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305758058 + 4305758059.

It is an arithmetic number, because the mean of its divisors is an integer number (4305758059).

Almost surely, 2^8611516117 is an apocalyptic number.

It is an amenable number.

8611516117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8611516117 is an equidigital number, since it uses as much as digits as its factorization.

8611516117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 37.

The square root of 8611516117 is about 92798.2549243250. The cubic root of 8611516117 is about 2049.7137111213.

The spelling of 8611516117 in words is "eight billion, six hundred eleven million, five hundred sixteen thousand, one hundred seventeen".