6957142811 has 4 divisors (see below), whose sum is σ = 6964987152. Its totient is φ = 6949298472.

The previous prime is 6957142763. The next prime is 6957142831. The reversal of 6957142811 is 1182417596.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6957142811 - 2²⁶ = 6890033947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6957142831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3920840 + ... + 3922613.

It is an arithmetic number, because the mean of its divisors is an integer number (1741246788).

Almost surely, 2^6957142811 is an apocalyptic number.

6957142811 is a deficient number, since it is larger than the sum of its proper divisors (7844341).

6957142811 is an equidigital number, since it uses as much as digits as its factorization.

6957142811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844340.

The product of its digits is 120960, while the sum is 44.

The square root of 6957142811 is about 83409.4887347956. The cubic root of 6957142811 is about 1909.0192429251.

The spelling of 6957142811 in words is "six billion, nine hundred fifty-seven million, one hundred forty-two thousand, eight hundred eleven".