980115693517 has 2 divisors, whose sum is σ = 980115693518. Its totient is φ = 980115693516.

The previous prime is 980115693467. The next prime is 980115693533. The reversal of 980115693517 is 715396511089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 973338123241 + 6777570276 = 986579^2 + 82326^2 .

It is a cyclic number.

It is not a de Polignac number, because 980115693517 - 2³⁵ = 945755955149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980115693017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490057846758 + 490057846759.

It is an arithmetic number, because the mean of its divisors is an integer number (490057846759).

Almost surely, 2^980115693517 is an apocalyptic number.

It is an amenable number.

980115693517 is a deficient number, since it is larger than the sum of its proper divisors (1).

980115693517 is an equidigital number, since it uses as much as digits as its factorization.

980115693517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The spelling of 980115693517 in words is "nine hundred eighty billion, one hundred fifteen million, six hundred ninety-three thousand, five hundred seventeen".