12866051543311 has 8 divisors (see below), whose sum is σ = 12882343616064. Its totient is φ = 12849764229120.

The previous prime is 12866051543297. The next prime is 12866051543327. The reversal of 12866051543311 is 11334515066821.

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

It is a cyclic number.

It is not a de Polignac number, because 12866051543311 - 2⁷ = 12866051543183 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 (12866051540311) 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, 4236975 + ... + 6609391.

It is an arithmetic number, because the mean of its divisors is an integer number (1610292952008).

Almost surely, 2^{12866051543311} is an apocalyptic number.

12866051543311 is a deficient number, since it is larger than the sum of its proper divisors (16292072753).

12866051543311 is an equidigital number, since it uses as much as digits as its factorization.

12866051543311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379281.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 12866051543311 in words is "twelve trillion, eight hundred sixty-six billion, fifty-one million, five hundred forty-three thousand, three hundred eleven".