6411606511 has 2 divisors, whose sum is σ = 6411606512. Its totient is φ = 6411606510.

The previous prime is 6411606497. The next prime is 6411606533. The reversal of 6411606511 is 1156061146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6411606511 - 2⁹ = 6411605999 is a prime.

It is a super-2 number, since 2×6411606511² = 82217396103795186242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6411606541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205803255 + 3205803256.

It is an arithmetic number, because the mean of its divisors is an integer number (3205803256).

Almost surely, 2^6411606511 is an apocalyptic number.

6411606511 is a deficient number, since it is larger than the sum of its proper divisors (1).

6411606511 is an equidigital number, since it uses as much as digits as its factorization.

6411606511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 6411606511 is about 80072.5078350866. The cubic root of 6411606511 is about 1857.7572025763.

Adding to 6411606511 its reverse (1156061146), we get a palindrome (7567667657).

The spelling of 6411606511 in words is "six billion, four hundred eleven million, six hundred six thousand, five hundred eleven".