13126360005533 has 2 divisors, whose sum is σ = 13126360005534. Its totient is φ = 13126360005532.

The previous prime is 13126360005469. The next prime is 13126360005623. The reversal of 13126360005533 is 33550006362131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9950914413049 + 3175445592484 = 3154507^2 + 1781978^2 .

It is a cyclic number.

It is not a de Polignac number, because 13126360005533 - 2⁶ = 13126360005469 is a prime.

It is a super-2 number, since 2×13126360005533² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126360001533) 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, 6563180002766 + 6563180002767.

It is an arithmetic number, because the mean of its divisors is an integer number (6563180002767).

Almost surely, 2^{13126360005533} is an apocalyptic number.

It is an amenable number.

13126360005533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126360005533 is an equidigital number, since it uses as much as digits as its factorization.

13126360005533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 13126360005533 its reverse (33550006362131), we get a palindrome (46676366367664).

The spelling of 13126360005533 in words is "thirteen trillion, one hundred twenty-six billion, three hundred sixty million, five thousand, five hundred thirty-three".