12855888743 has 4 divisors (see below), whose sum is σ = 12856906608. Its totient is φ = 12854870880.

The previous prime is 12855888739. The next prime is 12855888797. The reversal of 12855888743 is 34788855821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12855888743 - 2² = 12855888739 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 (12855848743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489746 + ... + 515327.

It is an arithmetic number, because the mean of its divisors is an integer number (3214226652).

Almost surely, 2^12855888743 is an apocalyptic number.

12855888743 is a deficient number, since it is larger than the sum of its proper divisors (1017865).

12855888743 is a wasteful number, since it uses less digits than its factorization.

12855888743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017864.

The product of its digits is 17203200, while the sum is 59.

The spelling of 12855888743 in words is "twelve billion, eight hundred fifty-five million, eight hundred eighty-eight thousand, seven hundred forty-three".