12505681518841 has 8 divisors (see below), whose sum is σ = 14383240619840. Its totient is φ = 10650880710288.

The previous prime is 12505681518839. The next prime is 12505681518917. The reversal of 12505681518841 is 14881518650521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12505681518841 - 2¹ = 12505681518839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12505681018841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5689571931 + ... + 5689574128.

It is an arithmetic number, because the mean of its divisors is an integer number (1797905077480).

Almost surely, 2^{12505681518841} is an apocalyptic number.

It is an amenable number.

12505681518841 is a deficient number, since it is larger than the sum of its proper divisors (1877559100999).

12505681518841 is a wasteful number, since it uses less digits than its factorization.

12505681518841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379146223.

The product of its (nonzero) digits is 3072000, while the sum is 55.

The spelling of 12505681518841 in words is "twelve trillion, five hundred five billion, six hundred eighty-one million, five hundred eighteen thousand, eight hundred forty-one".