1118968111 has 2 divisors, whose sum is σ = 1118968112. Its totient is φ = 1118968110.

The previous prime is 1118968093. The next prime is 1118968117. The reversal of 1118968111 is 1118698111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1118698111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1118968111 - 2¹¹ = 1118966063 is a prime.

1118968111 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118968117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559484055 + 559484056.

It is an arithmetic number, because the mean of its divisors is an integer number (559484056).

Almost surely, 2^1118968111 is an apocalyptic number.

1118968111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118968111 is an equidigital number, since it uses as much as digits as its factorization.

1118968111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 37.

The square root of 1118968111 is about 33450.9807180597. The cubic root of 1118968111 is about 1038.1797891853.

The spelling of 1118968111 in words is "one billion, one hundred eighteen million, nine hundred sixty-eight thousand, one hundred eleven".