12865574342881 has 8 divisors (see below), whose sum is σ = 13900364967104. Its totient is φ = 11837231012880.

The previous prime is 12865574342833. The next prime is 12865574342893. The reversal of 12865574342881 is 18824347556821.

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

It is not a de Polignac number, because 12865574342881 - 2¹¹ = 12865574340833 is a prime.

It is a super-2 number, since 2×12865574342881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12865574342381) 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, 1611819405 + ... + 1611827386.

It is an arithmetic number, because the mean of its divisors is an integer number (1737545620888).

Almost surely, 2^{12865574342881} is an apocalyptic number.

It is an amenable number.

12865574342881 is a deficient number, since it is larger than the sum of its proper divisors (1034790624223).

12865574342881 is a wasteful number, since it uses less digits than its factorization.

12865574342881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223647111.

The product of its digits is 103219200, while the sum is 64.

The spelling of 12865574342881 in words is "twelve trillion, eight hundred sixty-five billion, five hundred seventy-four million, three hundred forty-two thousand, eight hundred eighty-one".