6511142343 has 16 divisors (see below), whose sum is σ = 8821612800. Its totient is φ = 4270871616.

The previous prime is 6511142327. The next prime is 6511142371. The reversal of 6511142343 is 3432411156.

It is not a de Polignac number, because 6511142343 - 2⁴ = 6511142327 is a prime.

It is a super-2 number, since 2×6511142343² = 84789949221615059298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6511142343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511142383) 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 in 15 ways as a sum of consecutive naturals, for example, 153358 + ... + 191156.

It is an arithmetic number, because the mean of its divisors is an integer number (551350800).

Almost surely, 2^6511142343 is an apocalyptic number.

6511142343 is a deficient number, since it is larger than the sum of its proper divisors (2310470457).

6511142343 is a wasteful number, since it uses less digits than its factorization.

6511142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38726.

The product of its digits is 8640, while the sum is 30.

The square root of 6511142343 is about 80691.6497724517. The cubic root of 6511142343 is about 1867.3213522077.

Adding to 6511142343 its reverse (3432411156), we get a palindrome (9943553499).

The spelling of 6511142343 in words is "six billion, five hundred eleven million, one hundred forty-two thousand, three hundred forty-three".