118809611 has 2 divisors, whose sum is σ = 118809612. Its totient is φ = 118809610.

The previous prime is 118809569. The next prime is 118809629. The reversal of 118809611 is 116908811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118809611 - 2¹⁰ = 118808587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118809631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59404805 + 59404806.

It is an arithmetic number, because the mean of its divisors is an integer number (59404806).

Almost surely, 2^118809611 is an apocalyptic number.

118809611 is a deficient number, since it is larger than the sum of its proper divisors (1).

118809611 is an equidigital number, since it uses as much as digits as its factorization.

118809611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 118809611 is about 10899.9821559487. The cubic root of 118809611 is about 491.6060187314.

The spelling of 118809611 in words is "one hundred eighteen million, eight hundred nine thousand, six hundred eleven".