12834585854861 has 4 divisors (see below), whose sum is σ = 13044988901724. Its totient is φ = 12624182808000.

The previous prime is 12834585854809. The next prime is 12834585854929. The reversal of 12834585854861 is 16845858543821.

12834585854861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 628541353636 + 12206044501225 = 792806^2 + 3493715^2 .

It is a cyclic number.

It is not a de Polignac number, because 12834585854861 - 2²² = 12834581660557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12834585854791 and 12834585854800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12834585850861) 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, 105201523340 + ... + 105201523461.

It is an arithmetic number, because the mean of its divisors is an integer number (3261247225431).

Almost surely, 2^{12834585854861} is an apocalyptic number.

It is an amenable number.

12834585854861 is a deficient number, since it is larger than the sum of its proper divisors (210403046863).

12834585854861 is an equidigital number, since it uses as much as digits as its factorization.

12834585854861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210403046862.

The product of its digits is 294912000, while the sum is 68.

The spelling of 12834585854861 in words is "twelve trillion, eight hundred thirty-four billion, five hundred eighty-five million, eight hundred fifty-four thousand, eight hundred sixty-one".