118717811 has 2 divisors, whose sum is σ = 118717812. Its totient is φ = 118717810.

The previous prime is 118717801. The next prime is 118717813.

118717811 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 118717811 - 2⁶ = 118717747 is a prime.

Together with 118717813, 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 (118717813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59358905 + 59358906.

It is an arithmetic number, because the mean of its divisors is an integer number (59358906).

Almost surely, 2^118717811 is an apocalyptic number.

118717811 is a deficient number, since it is larger than the sum of its proper divisors (1).

118717811 is an equidigital number, since it uses as much as digits as its factorization.

118717811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 35.

The square root of 118717811 is about 10895.7703261403. The cubic root of 118717811 is about 491.4793705575.

The spelling of 118717811 in words is "one hundred eighteen million, seven hundred seventeen thousand, eight hundred eleven".