6218116811 has 2 divisors, whose sum is σ = 6218116812. Its totient is φ = 6218116810.

The previous prime is 6218116763. The next prime is 6218116819. The reversal of 6218116811 is 1186118126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6218116811 - 2⁶ = 6218116747 is a prime.

It is not a weakly prime, because it can be changed into another prime (6218116819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3109058405 + 3109058406.

It is an arithmetic number, because the mean of its divisors is an integer number (3109058406).

Almost surely, 2^6218116811 is an apocalyptic number.

6218116811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6218116811 is an equidigital number, since it uses as much as digits as its factorization.

6218116811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 35.

The square root of 6218116811 is about 78855.0366875826. The cubic root of 6218116811 is about 1838.8781767448.

The spelling of 6218116811 in words is "six billion, two hundred eighteen million, one hundred sixteen thousand, eight hundred eleven".