6711372517 has 2 divisors, whose sum is σ = 6711372518. Its totient is φ = 6711372516.

The previous prime is 6711372511. The next prime is 6711372541. The reversal of 6711372517 is 7152731176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4282262721 + 2429109796 = 65439^2 + 49286^2 .

It is a cyclic number.

It is not a de Polignac number, because 6711372517 - 2³ = 6711372509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6711372517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6711372511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355686258 + 3355686259.

It is an arithmetic number, because the mean of its divisors is an integer number (3355686259).

Almost surely, 2^6711372517 is an apocalyptic number.

It is an amenable number.

6711372517 is a deficient number, since it is larger than the sum of its proper divisors (1).

6711372517 is an equidigital number, since it uses as much as digits as its factorization.

6711372517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 40.

The square root of 6711372517 is about 81922.9669689764. The cubic root of 6711372517 is about 1886.2696703922.

The spelling of 6711372517 in words is "six billion, seven hundred eleven million, three hundred seventy-two thousand, five hundred seventeen".