6504803106811 has 4 divisors (see below), whose sum is σ = 6504816541752. Its totient is φ = 6504789671872.

The previous prime is 6504803106797. The next prime is 6504803106817. The reversal of 6504803106811 is 1186013084056.

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 6504803106811 - 2¹⁵ = 6504803074043 is a prime.

It is a super-3 number, since 3×6504803106811³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504803106817) 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, 5962966 + ... + 6968971.

It is an arithmetic number, because the mean of its divisors is an integer number (1626204135438).

Almost surely, 2^{6504803106811} is an apocalyptic number.

6504803106811 is a deficient number, since it is larger than the sum of its proper divisors (13434941).

6504803106811 is a wasteful number, since it uses less digits than its factorization.

6504803106811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434940.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 6504803106811 in words is "six trillion, five hundred four billion, eight hundred three million, one hundred six thousand, eight hundred eleven".