117195737187289 has 2 divisors, whose sum is σ = 117195737187290. Its totient is φ = 117195737187288.

The previous prime is 117195737187187. The next prime is 117195737187301. The reversal of 117195737187289 is 982781737591711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106139280921664 + 11056456265625 = 10302392^2 + 3325125^2 .

It is a cyclic number.

It is not a de Polignac number, because 117195737187289 - 2¹⁹ = 117195736663001 is a prime.

It is a super-2 number, since 2×117195737187289² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117195737137289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58597868593644 + 58597868593645.

It is an arithmetic number, because the mean of its divisors is an integer number (58597868593645).

Almost surely, 2^{117195737187289} is an apocalyptic number.

It is an amenable number.

117195737187289 is a deficient number, since it is larger than the sum of its proper divisors (1).

117195737187289 is an equidigital number, since it uses as much as digits as its factorization.

117195737187289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373403520, while the sum is 76.

The spelling of 117195737187289 in words is "one hundred seventeen trillion, one hundred ninety-five billion, seven hundred thirty-seven million, one hundred eighty-seven thousand, two hundred eighty-nine".