12565043303 has 2 divisors, whose sum is σ = 12565043304. Its totient is φ = 12565043302.

The previous prime is 12565043263. The next prime is 12565043327. The reversal of 12565043303 is 30334056521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12565043303 - 2⁸ = 12565043047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12565043303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12565048303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282521651 + 6282521652.

It is an arithmetic number, because the mean of its divisors is an integer number (6282521652).

Almost surely, 2^12565043303 is an apocalyptic number.

12565043303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12565043303 is an equidigital number, since it uses as much as digits as its factorization.

12565043303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 12565043303 its reverse (30334056521), we get a palindrome (42899099824).

The spelling of 12565043303 in words is "twelve billion, five hundred sixty-five million, forty-three thousand, three hundred three".