6611131 has 4 divisors (see below), whose sum is σ = 6621264. Its totient is φ = 6601000.

The previous prime is 6611081. The next prime is 6611141. The reversal of 6611131 is 1311166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311166 = 2 ⋅655583.

It is a cyclic number.

It is not a de Polignac number, because 6611131 - 2⁹ = 6610619 is a prime.

It is a super-2 number, since 2×6611131² = 87414106198322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6611099 and 6611108.

It is not an unprimeable number, because it can be changed into a prime (6611141) 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, 4015 + ... + 5416.

It is an arithmetic number, because the mean of its divisors is an integer number (1655316).

Almost surely, 2^6611131 is an apocalyptic number.

6611131 is a deficient number, since it is larger than the sum of its proper divisors (10133).

6611131 is an equidigital number, since it uses as much as digits as its factorization.

6611131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132.

The product of its digits is 108, while the sum is 19.

The square root of 6611131 is about 2571.2119710362. The cubic root of 6611131 is about 187.6831372140.

Adding to 6611131 its reverse (1311166), we get a palindrome (7922297).

The spelling of 6611131 in words is "six million, six hundred eleven thousand, one hundred thirty-one".