116635517 has 2 divisors, whose sum is σ = 116635518. Its totient is φ = 116635516.

The previous prime is 116635489. The next prime is 116635523. The reversal of 116635517 is 715536611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103754596 + 12880921 = 10186^2 + 3589^2 .

It is an emirp because it is prime and its reverse (715536611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116635517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116635567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58317758 + 58317759.

It is an arithmetic number, because the mean of its divisors is an integer number (58317759).

Almost surely, 2^116635517 is an apocalyptic number.

It is an amenable number.

116635517 is a deficient number, since it is larger than the sum of its proper divisors (1).

116635517 is an equidigital number, since it uses as much as digits as its factorization.

116635517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 116635517 is about 10799.7924517094. The cubic root of 116635517 is about 488.5889112700.

The spelling of 116635517 in words is "one hundred sixteen million, six hundred thirty-five thousand, five hundred seventeen".