992271201811 has 2 divisors, whose sum is σ = 992271201812. Its totient is φ = 992271201810.

The previous prime is 992271201787. The next prime is 992271201827. The reversal of 992271201811 is 118102172299.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (118102172299) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992271201811 is a prime.

It is not a weakly prime, because it can be changed into another prime (992271201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496135600905 + 496135600906.

It is an arithmetic number, because the mean of its divisors is an integer number (496135600906).

Almost surely, 2^992271201811 is an apocalyptic number.

992271201811 is a deficient number, since it is larger than the sum of its proper divisors (1).

992271201811 is an equidigital number, since it uses as much as digits as its factorization.

992271201811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 992271201811 in words is "nine hundred ninety-two billion, two hundred seventy-one million, two hundred one thousand, eight hundred eleven".