118087111 has 2 divisors, whose sum is σ = 118087112. Its totient is φ = 118087110.

The previous prime is 118087103. The next prime is 118087133. The reversal of 118087111 is 111780811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118087111 - 2³ = 118087103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118087111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118087141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59043555 + 59043556.

It is an arithmetic number, because the mean of its divisors is an integer number (59043556).

Almost surely, 2^118087111 is an apocalyptic number.

118087111 is a deficient number, since it is larger than the sum of its proper divisors (1).

118087111 is an equidigital number, since it uses as much as digits as its factorization.

118087111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 28.

The square root of 118087111 is about 10866.7893602480. The cubic root of 118087111 is about 490.6074806299.

The spelling of 118087111 in words is "one hundred eighteen million, eighty-seven thousand, one hundred eleven".