969112811 has 2 divisors, whose sum is σ = 969112812. Its totient is φ = 969112810.

The previous prime is 969112783. The next prime is 969112813. The reversal of 969112811 is 118211969.

It is a strong prime.

It is an emirp because it is prime and its reverse (118211969) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969112811 is a prime.

It is a Sophie Germain prime.

Together with 969112813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (969112813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484556405 + 484556406.

It is an arithmetic number, because the mean of its divisors is an integer number (484556406).

Almost surely, 2^969112811 is an apocalyptic number.

969112811 is a deficient number, since it is larger than the sum of its proper divisors (1).

969112811 is an equidigital number, since it uses as much as digits as its factorization.

969112811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 38.

The square root of 969112811 is about 31130.5767855335. The cubic root of 969112811 is about 989.5964110125.

The spelling of 969112811 in words is "nine hundred sixty-nine million, one hundred twelve thousand, eight hundred eleven".