12845566845687 has 32 divisors (see below), whose sum is σ = 17386609912000. Its totient is φ = 8434454510592.

The previous prime is 12845566845679. The next prime is 12845566845701. The reversal of 12845566845687 is 78654866554821.

It is not a de Polignac number, because 12845566845687 - 2³ = 12845566845679 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 (12845566845637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410201489 + ... + 1410210597.

It is an arithmetic number, because the mean of its divisors is an integer number (543331559750).

Almost surely, 2^{12845566845687} is an apocalyptic number.

12845566845687 is a deficient number, since it is larger than the sum of its proper divisors (4541043066313).

12845566845687 is an equidigital number, since it uses as much as digits as its factorization.

12845566845687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17587.

The product of its digits is 3096576000, while the sum is 75.

The spelling of 12845566845687 in words is "twelve trillion, eight hundred forty-five billion, five hundred sixty-six million, eight hundred forty-five thousand, six hundred eighty-seven".