12146481559 has 2 divisors, whose sum is σ = 12146481560.
Its totient is φ = 12146481558.
The previous prime is 12146481517. The next prime is 12146481593. The reversal of 12146481559 is 95518464121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12146481559 - 29 = 12146481047 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12146481509) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073240779 + 6073240780.
It is an arithmetic number, because the mean of its divisors is an integer number (6073240780).
Almost surely, 212146481559 is an apocalyptic number.
12146481559 is a deficient number, since it is larger than the sum of its proper divisors (1).
12146481559 is an equidigital number, since it uses as much as digits as its factorization.
12146481559 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 345600, while the sum is 46.
The spelling of 12146481559 in words is "twelve billion, one hundred forty-six million, four hundred eighty-one thousand, five hundred fifty-nine".