12717648811448 has 32 divisors (see below), whose sum is σ = 27831936614400. Its totient is φ = 5334454515552.

The previous prime is 12717648811393. The next prime is 12717648811451. The reversal of 12717648811448 is 84411884671721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2415964088 + ... + 2415969351.

It is an arithmetic number, because the mean of its divisors is an integer number (869748019200).

Almost surely, 2^{12717648811448} is an apocalyptic number.

It is an amenable number.

12717648811448 is an abundant number, since it is smaller than the sum of its proper divisors (15114287802952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12717648811448 is a wasteful number, since it uses less digits than its factorization.

12717648811448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831933499 (or 4831933495 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 62.

The spelling of 12717648811448 in words is "twelve trillion, seven hundred seventeen billion, six hundred forty-eight million, eight hundred eleven thousand, four hundred forty-eight".