118284311 has 2 divisors, whose sum is σ = 118284312. Its totient is φ = 118284310.

The previous prime is 118284281. The next prime is 118284343. The reversal of 118284311 is 113482811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118284311 - 2⁶ = 118284247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118284391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59142155 + 59142156.

It is an arithmetic number, because the mean of its divisors is an integer number (59142156).

Almost surely, 2^118284311 is an apocalyptic number.

118284311 is a deficient number, since it is larger than the sum of its proper divisors (1).

118284311 is an equidigital number, since it uses as much as digits as its factorization.

118284311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 29.

The square root of 118284311 is about 10875.8590925039. The cubic root of 118284311 is about 490.8804259991.

The spelling of 118284311 in words is "one hundred eighteen million, two hundred eighty-four thousand, three hundred eleven".