13025521243243 has 2 divisors, whose sum is σ = 13025521243244. Its totient is φ = 13025521243242.

The previous prime is 13025521243193. The next prime is 13025521243261. The reversal of 13025521243243 is 34234212552031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13025521243243 - 2⁹ = 13025521242731 is a prime.

It is not a weakly prime, because it can be changed into another prime (13025521243043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6512760621621 + 6512760621622.

It is an arithmetic number, because the mean of its divisors is an integer number (6512760621622).

Almost surely, 2^{13025521243243} is an apocalyptic number.

13025521243243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13025521243243 is an equidigital number, since it uses as much as digits as its factorization.

13025521243243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13025521243243 its reverse (34234212552031), we get a palindrome (47259733795274).

The spelling of 13025521243243 in words is "thirteen trillion, twenty-five billion, five hundred twenty-one million, two hundred forty-three thousand, two hundred forty-three".