1451196811 has 2 divisors, whose sum is σ = 1451196812. Its totient is φ = 1451196810.

The previous prime is 1451196797. The next prime is 1451196821. The reversal of 1451196811 is 1186911541.

It is a strong prime.

It is an emirp because it is prime and its reverse (1186911541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1451196811 - 2⁵ = 1451196779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451196821) 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, 725598405 + 725598406.

It is an arithmetic number, because the mean of its divisors is an integer number (725598406).

Almost surely, 2^1451196811 is an apocalyptic number.

1451196811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451196811 is an equidigital number, since it uses as much as digits as its factorization.

1451196811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 37.

The square root of 1451196811 is about 38094.5771862610. The cubic root of 1451196811 is about 1132.1625153743.

The spelling of 1451196811 in words is "one billion, four hundred fifty-one million, one hundred ninety-six thousand, eight hundred eleven".