12164435551 has 2 divisors, whose sum is σ = 12164435552. Its totient is φ = 12164435550.

The previous prime is 12164435533. The next prime is 12164435579. The reversal of 12164435551 is 15553446121.

It is a weak prime.

It is an emirp because it is prime and its reverse (15553446121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12164435551 - 2⁹ = 12164435039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12164435551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12164435951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082217775 + 6082217776.

It is an arithmetic number, because the mean of its divisors is an integer number (6082217776).

Almost surely, 2^12164435551 is an apocalyptic number.

12164435551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164435551 is an equidigital number, since it uses as much as digits as its factorization.

12164435551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The spelling of 12164435551 in words is "twelve billion, one hundred sixty-four million, four hundred thirty-five thousand, five hundred fifty-one".