11664464464427 has 2 divisors, whose sum is σ = 11664464464428. Its totient is φ = 11664464464426.

The previous prime is 11664464464421. The next prime is 11664464464511. The reversal of 11664464464427 is 72446446446611.

It is a weak prime.

It is an emirp because it is prime and its reverse (72446446446611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11664464464427 - 2⁶ = 11664464464363 is a prime.

It is not a weakly prime, because it can be changed into another prime (11664464464421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832232232213 + 5832232232214.

It is an arithmetic number, because the mean of its divisors is an integer number (5832232232214).

Almost surely, 2^{11664464464427} is an apocalyptic number.

11664464464427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664464464427 is an equidigital number, since it uses as much as digits as its factorization.

11664464464427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74317824, while the sum is 59.

The spelling of 11664464464427 in words is "eleven trillion, six hundred sixty-four billion, four hundred sixty-four million, four hundred sixty-four thousand, four hundred twenty-seven".