118757644169 has 2 divisors, whose sum is σ = 118757644170. Its totient is φ = 118757644168.

The previous prime is 118757644147. The next prime is 118757644171. The reversal of 118757644169 is 961446757811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80294589769 + 38463054400 = 283363^2 + 196120^2 .

It is an emirp because it is prime and its reverse (961446757811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118757644169 - 2³² = 114462676873 is a prime.

It is a super-2 number, since 2×118757644169² (a number of 23 digits) contains 22 as substring.

Together with 118757644171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118757644769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59378822084 + 59378822085.

It is an arithmetic number, because the mean of its divisors is an integer number (59378822085).

Almost surely, 2^118757644169 is an apocalyptic number.

It is an amenable number.

118757644169 is a deficient number, since it is larger than the sum of its proper divisors (1).

118757644169 is an equidigital number, since it uses as much as digits as its factorization.

118757644169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 59.

The spelling of 118757644169 in words is "one hundred eighteen billion, seven hundred fifty-seven million, six hundred forty-four thousand, one hundred sixty-nine".