6511142311 has 2 divisors, whose sum is σ = 6511142312. Its totient is φ = 6511142310.

The previous prime is 6511142269. The next prime is 6511142327. The reversal of 6511142311 is 1132411156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6511142311 - 2¹⁵ = 6511109543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6511142371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255571155 + 3255571156.

It is an arithmetic number, because the mean of its divisors is an integer number (3255571156).

Almost surely, 2^6511142311 is an apocalyptic number.

6511142311 is a deficient number, since it is larger than the sum of its proper divisors (1).

6511142311 is an equidigital number, since it uses as much as digits as its factorization.

6511142311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 6511142311 is about 80691.6495741660. The cubic root of 6511142311 is about 1867.3213491487.

Adding to 6511142311 its reverse (1132411156), we get a palindrome (7643553467).

The spelling of 6511142311 in words is "six billion, five hundred eleven million, one hundred forty-two thousand, three hundred eleven".