6886711802881 has 4 divisors (see below), whose sum is σ = 7124184623700. Its totient is φ = 6649238982064.

The previous prime is 6886711802869. The next prime is 6886711802899. The reversal of 6886711802881 is 1882081176886.

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 4585953722256 + 2300758080625 = 2141484^2 + 1516825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886711802881 - 2⁷ = 6886711802753 is a prime.

It is a super-2 number, since 2×6886711802881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6886711808881) 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, 118736410366 + ... + 118736410423.

It is an arithmetic number, because the mean of its divisors is an integer number (1781046155925).

Almost surely, 2^{6886711802881} is an apocalyptic number.

It is an amenable number.

6886711802881 is a deficient number, since it is larger than the sum of its proper divisors (237472820819).

6886711802881 is a wasteful number, since it uses less digits than its factorization.

6886711802881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237472820818.

The product of its (nonzero) digits is 16515072, while the sum is 64.

The spelling of 6886711802881 in words is "six trillion, eight hundred eighty-six billion, seven hundred eleven million, eight hundred two thousand, eight hundred eighty-one".