6650566050511 has 16 divisors (see below), whose sum is σ = 6676014038400. Its totient is φ = 6625172285440.

The previous prime is 6650566050437. The next prime is 6650566050523. The reversal of 6650566050511 is 1150506650566.

It is a cyclic number.

It is not a de Polignac number, because 6650566050511 - 2³⁹ = 6100810236623 is a prime.

It is a super-2 number, since 2×6650566050511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650566050211) 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, 1255531815 + ... + 1255537111.

It is an arithmetic number, because the mean of its divisors is an integer number (417250877400).

Almost surely, 2^{6650566050511} is an apocalyptic number.

6650566050511 is a deficient number, since it is larger than the sum of its proper divisors (25447987889).

6650566050511 is a wasteful number, since it uses less digits than its factorization.

6650566050511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 6650566050511 in words is "six trillion, six hundred fifty billion, five hundred sixty-six million, fifty thousand, five hundred eleven".