118961111 has 2 divisors, whose sum is σ = 118961112. Its totient is φ = 118961110.

The previous prime is 118961093. The next prime is 118961119. The reversal of 118961111 is 111169811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118961111 - 2⁶ = 118961047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118961119) 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, 59480555 + 59480556.

It is an arithmetic number, because the mean of its divisors is an integer number (59480556).

Almost surely, 2^118961111 is an apocalyptic number.

118961111 is a deficient number, since it is larger than the sum of its proper divisors (1).

118961111 is an equidigital number, since it uses as much as digits as its factorization.

118961111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 29.

The square root of 118961111 is about 10906.9294945920. The cubic root of 118961111 is about 491.8148870113.

The spelling of 118961111 in words is "one hundred eighteen million, nine hundred sixty-one thousand, one hundred eleven".