6650566111011 has 16 divisors (see below), whose sum is σ = 9014115559680. Its totient is φ = 4360385097120.

The previous prime is 6650566110949. The next prime is 6650566111027. The reversal of 6650566111011 is 1101116650566.

It is not a de Polignac number, because 6650566111011 - 2⁷ = 6650566110883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6650566119011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426071 + ... + 3915968.

It is an arithmetic number, because the mean of its divisors is an integer number (563382222480).

Almost surely, 2^{6650566111011} is an apocalyptic number.

6650566111011 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6650566111011 is a deficient number, since it is larger than the sum of its proper divisors (2363549448669).

6650566111011 is a wasteful number, since it uses less digits than its factorization.

6650566111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348906.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 6650566111011 in words is "six trillion, six hundred fifty billion, five hundred sixty-six million, one hundred eleven thousand, eleven".