6711655611 has 4 divisors (see below), whose sum is σ = 8948874152. Its totient is φ = 4474437072.

The previous prime is 6711655603. The next prime is 6711655633. The reversal of 6711655611 is 1165561176.

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

It is not a de Polignac number, because 6711655611 - 2³ = 6711655603 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 6711655611.

It is not an unprimeable number, because it can be changed into a prime (6711655411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118609266 + ... + 1118609271.

It is an arithmetic number, because the mean of its divisors is an integer number (2237218538).

Almost surely, 2^6711655611 is an apocalyptic number.

6711655611 is a deficient number, since it is larger than the sum of its proper divisors (2237218541).

6711655611 is a wasteful number, since it uses less digits than its factorization.

6711655611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237218540.

The product of its digits is 37800, while the sum is 39.

The square root of 6711655611 is about 81924.6947568314. The cubic root of 6711655611 is about 1886.2961917491.

The spelling of 6711655611 in words is "six billion, seven hundred eleven million, six hundred fifty-five thousand, six hundred eleven".