118811666118811 has 2 divisors, whose sum is σ = 118811666118812. Its totient is φ = 118811666118810.

The previous prime is 118811666118793. The next prime is 118811666118823.

118811666118811 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118811666118811 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (118811664118811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59405833059405 + 59405833059406.

It is an arithmetic number, because the mean of its divisors is an integer number (59405833059406).

Almost surely, 2^{118811666118811} is an apocalyptic number.

118811666118811 is a deficient number, since it is larger than the sum of its proper divisors (1).

118811666118811 is an equidigital number, since it uses as much as digits as its factorization.

118811666118811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 58.

The spelling of 118811666118811 in words is "one hundred eighteen trillion, eight hundred eleven billion, six hundred sixty-six million, one hundred eighteen thousand, eight hundred eleven".