1327011811 has 2 divisors, whose sum is σ = 1327011812. Its totient is φ = 1327011810.

The previous prime is 1327011773. The next prime is 1327011821. The reversal of 1327011811 is 1181107231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1327011811 - 2⁷ = 1327011683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327011821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663505905 + 663505906.

It is an arithmetic number, because the mean of its divisors is an integer number (663505906).

Almost surely, 2^1327011811 is an apocalyptic number.

1327011811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327011811 is an equidigital number, since it uses as much as digits as its factorization.

1327011811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 1327011811 is about 36428.1733140711. The cubic root of 1327011811 is about 1098.9002261631.

The spelling of 1327011811 in words is "one billion, three hundred twenty-seven million, eleven thousand, eight hundred eleven".