13531616180543 has 2 divisors, whose sum is σ = 13531616180544. Its totient is φ = 13531616180542.

The previous prime is 13531616180531. The next prime is 13531616180569. The reversal of 13531616180543 is 34508161613531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13531616180543 - 2³⁰ = 13530542438719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531616180743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765808090271 + 6765808090272.

It is an arithmetic number, because the mean of its divisors is an integer number (6765808090272).

Almost surely, 2^{13531616180543} is an apocalyptic number.

13531616180543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531616180543 is an equidigital number, since it uses as much as digits as its factorization.

13531616180543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 13531616180543 in words is "thirteen trillion, five hundred thirty-one billion, six hundred sixteen million, one hundred eighty thousand, five hundred forty-three".