6711191 has 4 divisors (see below), whose sum is σ = 6825000. Its totient is φ = 6597384.

The previous prime is 6711179. The next prime is 6711197. The reversal of 6711191 is 1911176.

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 6711191 - 2²² = 2516887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6711191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6711197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56816 + ... + 56933.

It is an arithmetic number, because the mean of its divisors is an integer number (1706250).

Almost surely, 2^6711191 is an apocalyptic number.

6711191 is a deficient number, since it is larger than the sum of its proper divisors (113809).

6711191 is a wasteful number, since it uses less digits than its factorization.

6711191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113808.

The product of its digits is 378, while the sum is 26.

The square root of 6711191 is about 2590.5966494227. The cubic root of 6711191 is about 188.6252664775.

The spelling of 6711191 in words is "six million, seven hundred eleven thousand, one hundred ninety-one".