118958111 has 2 divisors, whose sum is σ = 118958112. Its totient is φ = 118958110.

The previous prime is 118958083. The next prime is 118958123. The reversal of 118958111 is 111859811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118958111 - 2¹⁰ = 118957087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118958011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59479055 + 59479056.

It is an arithmetic number, because the mean of its divisors is an integer number (59479056).

Almost surely, 2^118958111 is an apocalyptic number.

118958111 is a deficient number, since it is larger than the sum of its proper divisors (1).

118958111 is an equidigital number, since it uses as much as digits as its factorization.

118958111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 35.

The square root of 118958111 is about 10906.7919664767. The cubic root of 118958111 is about 491.8107527273.

The spelling of 118958111 in words is "one hundred eighteen million, nine hundred fifty-eight thousand, one hundred eleven".