6648210853211 has 4 divisors (see below), whose sum is σ = 6648304132032. Its totient is φ = 6648117574392.

The previous prime is 6648210853181. The next prime is 6648210853259. The reversal of 6648210853211 is 1123580128466.

6648210853211 is digitally balanced in base 3, 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6648210853211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6648210855211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46532420 + ... + 46675073.

It is an arithmetic number, because the mean of its divisors is an integer number (1662076033008).

Almost surely, 2^{6648210853211} is an apocalyptic number.

6648210853211 is a deficient number, since it is larger than the sum of its proper divisors (93278821).

6648210853211 is an equidigital number, since it uses as much as digits as its factorization.

6648210853211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93278820.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 6648210853211 in words is "six trillion, six hundred forty-eight billion, two hundred ten million, eight hundred fifty-three thousand, two hundred eleven".