12162351780559 has 2 divisors, whose sum is σ = 12162351780560. Its totient is φ = 12162351780558.

The previous prime is 12162351780539. The next prime is 12162351780583. The reversal of 12162351780559 is 95508715326121.

12162351780559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12162351780559 - 2¹⁹ = 12162351256271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12162351780539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081175890279 + 6081175890280.

It is an arithmetic number, because the mean of its divisors is an integer number (6081175890280).

Almost surely, 2^{12162351780559} is an apocalyptic number.

12162351780559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162351780559 is an equidigital number, since it uses as much as digits as its factorization.

12162351780559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 12162351780559 in words is "twelve trillion, one hundred sixty-two billion, three hundred fifty-one million, seven hundred eighty thousand, five hundred fifty-nine".