118909811 has 2 divisors, whose sum is σ = 118909812. Its totient is φ = 118909810.

The previous prime is 118909807. The next prime is 118909829.

118909811 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 118909811 - 2² = 118909807 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (118909871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59454905 + 59454906.

It is an arithmetic number, because the mean of its divisors is an integer number (59454906).

Almost surely, 2^118909811 is an apocalyptic number.

118909811 is a deficient number, since it is larger than the sum of its proper divisors (1).

118909811 is an equidigital number, since it uses as much as digits as its factorization.

118909811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 38.

The square root of 118909811 is about 10904.5775250580. The cubic root of 118909811 is about 491.7441811841.

The spelling of 118909811 in words is "one hundred eighteen million, nine hundred nine thousand, eight hundred eleven".