13112044223543 has 2 divisors, whose sum is σ = 13112044223544. Its totient is φ = 13112044223542.

The previous prime is 13112044223521. The next prime is 13112044223639. The reversal of 13112044223543 is 34532244021131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13112044223543 - 2⁶ = 13112044223479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112044223503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556022111771 + 6556022111772.

It is an arithmetic number, because the mean of its divisors is an integer number (6556022111772).

Almost surely, 2^{13112044223543} is an apocalyptic number.

13112044223543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112044223543 is an equidigital number, since it uses as much as digits as its factorization.

13112044223543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13112044223543 its reverse (34532244021131), we get a palindrome (47644288244674).

The spelling of 13112044223543 in words is "thirteen trillion, one hundred twelve billion, forty-four million, two hundred twenty-three thousand, five hundred forty-three".