12641316443543 has 32 divisors (see below), whose sum is σ = 13562238240000. Its totient is φ = 11747567462400.

The previous prime is 12641316443513. The next prime is 12641316443551. The reversal of 12641316443543 is 34534461314621.

It is a cyclic number.

It is not a de Polignac number, because 12641316443543 - 2¹⁶ = 12641316378007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641316443513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290910968 + ... + 290954418.

It is an arithmetic number, because the mean of its divisors is an integer number (423819945000).

Almost surely, 2^{12641316443543} is an apocalyptic number.

12641316443543 is a deficient number, since it is larger than the sum of its proper divisors (920921796457).

12641316443543 is a wasteful number, since it uses less digits than its factorization.

12641316443543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44495.

The product of its digits is 2488320, while the sum is 47.

The spelling of 12641316443543 in words is "twelve trillion, six hundred forty-one billion, three hundred sixteen million, four hundred forty-three thousand, five hundred forty-three".