118642067377 has 2 divisors, whose sum is σ = 118642067378. Its totient is φ = 118642067376.

The previous prime is 118642067351. The next prime is 118642067387. The reversal of 118642067377 is 773760246811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106717208976 + 11924858401 = 326676^2 + 109201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118642067377 is a prime.

It is not a weakly prime, because it can be changed into another prime (118642067387) 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, 59321033688 + 59321033689.

It is an arithmetic number, because the mean of its divisors is an integer number (59321033689).

Almost surely, 2^118642067377 is an apocalyptic number.

It is an amenable number.

118642067377 is a deficient number, since it is larger than the sum of its proper divisors (1).

118642067377 is an equidigital number, since it uses as much as digits as its factorization.

118642067377 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 52.

The spelling of 118642067377 in words is "one hundred eighteen billion, six hundred forty-two million, sixty-seven thousand, three hundred seventy-seven".