6711880139 has 2 divisors, whose sum is σ = 6711880140. Its totient is φ = 6711880138.

The previous prime is 6711880127. The next prime is 6711880141. The reversal of 6711880139 is 9310881176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6711880139 - 2²⁴ = 6695102923 is a prime.

Together with 6711880141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6711880139.

It is not a weakly prime, because it can be changed into another prime (6711880199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355940069 + 3355940070.

It is an arithmetic number, because the mean of its divisors is an integer number (3355940070).

Almost surely, 2^6711880139 is an apocalyptic number.

6711880139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6711880139 is an equidigital number, since it uses as much as digits as its factorization.

6711880139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 6711880139 is about 81926.0650769949. The cubic root of 6711880139 is about 1886.3172258830.

The spelling of 6711880139 in words is "six billion, seven hundred eleven million, eight hundred eighty thousand, one hundred thirty-nine".