118965886577 has 2 divisors, whose sum is σ = 118965886578. Its totient is φ = 118965886576.

The previous prime is 118965886561. The next prime is 118965886643. The reversal of 118965886577 is 775688569811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89858455696 + 29107430881 = 299764^2 + 170609^2 .

It is a cyclic number.

It is not a de Polignac number, because 118965886577 - 2⁴ = 118965886561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118965886577.

It is not a weakly prime, because it can be changed into another prime (118965886537) 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, 59482943288 + 59482943289.

It is an arithmetic number, because the mean of its divisors is an integer number (59482943289).

Almost surely, 2^118965886577 is an apocalyptic number.

It is an amenable number.

118965886577 is a deficient number, since it is larger than the sum of its proper divisors (1).

118965886577 is an equidigital number, since it uses as much as digits as its factorization.

118965886577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203212800, while the sum is 71.

The spelling of 118965886577 in words is "one hundred eighteen billion, nine hundred sixty-five million, eight hundred eighty-six thousand, five hundred seventy-seven".