7318118111 has 2 divisors, whose sum is σ = 7318118112. Its totient is φ = 7318118110.

The previous prime is 7318118083. The next prime is 7318118117. The reversal of 7318118111 is 1118118137.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7318118111 - 2¹⁴ = 7318101727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7318118117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3659059055 + 3659059056.

It is an arithmetic number, because the mean of its divisors is an integer number (3659059056).

Almost surely, 2^7318118111 is an apocalyptic number.

7318118111 is a deficient number, since it is larger than the sum of its proper divisors (1).

7318118111 is an equidigital number, since it uses as much as digits as its factorization.

7318118111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 32.

The square root of 7318118111 is about 85545.9999707760. Note that the first 4 decimals coincide. The cubic root of 7318118111 is about 1941.4809706042.

The spelling of 7318118111 in words is "seven billion, three hundred eighteen million, one hundred eighteen thousand, one hundred eleven".