11814336491 has 2 divisors, whose sum is σ = 11814336492. Its totient is φ = 11814336490.

The previous prime is 11814336421. The next prime is 11814336511. The reversal of 11814336491 is 19463341811.

11814336491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11814336491 is a prime.

It is not a weakly prime, because it can be changed into another prime (11814336421) 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, 5907168245 + 5907168246.

It is an arithmetic number, because the mean of its divisors is an integer number (5907168246).

Almost surely, 2^11814336491 is an apocalyptic number.

11814336491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11814336491 is an equidigital number, since it uses as much as digits as its factorization.

11814336491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The spelling of 11814336491 in words is "eleven billion, eight hundred fourteen million, three hundred thirty-six thousand, four hundred ninety-one".