8118611360777 has 2 divisors, whose sum is σ = 8118611360778. Its totient is φ = 8118611360776.

The previous prime is 8118611360731. The next prime is 8118611360779. The reversal of 8118611360777 is 7770631168118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7073025354256 + 1045586006521 = 2659516^2 + 1022539^2 .

It is a cyclic number.

It is not a de Polignac number, because 8118611360777 - 2⁸ = 8118611360521 is a prime.

Together with 8118611360779, 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 (8118611360779) 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, 4059305680388 + 4059305680389.

It is an arithmetic number, because the mean of its divisors is an integer number (4059305680389).

Almost surely, 2^{8118611360777} is an apocalyptic number.

It is an amenable number.

8118611360777 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118611360777 is an equidigital number, since it uses as much as digits as its factorization.

8118611360777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 56.

The spelling of 8118611360777 in words is "eight trillion, one hundred eighteen billion, six hundred eleven million, three hundred sixty thousand, seven hundred seventy-seven".