6111871 has 4 divisors (see below), whose sum is σ = 6185592. Its totient is φ = 6038152.

The previous prime is 6111839. The next prime is 6111877. The reversal of 6111871 is 1781116.

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 6111871 - 2⁵ = 6111839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6111877) 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, 36736 + ... + 36901.

It is an arithmetic number, because the mean of its divisors is an integer number (1546398).

Almost surely, 2^6111871 is an apocalyptic number.

6111871 is a deficient number, since it is larger than the sum of its proper divisors (73721).

6111871 is an equidigital number, since it uses as much as digits as its factorization.

6111871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73720.

The product of its digits is 336, while the sum is 25.

The square root of 6111871 is about 2472.2198526830. The cubic root of 6111871 is about 182.8344626644.

Adding to 6111871 its reverse (1781116), we get a palindrome (7892987).

The spelling of 6111871 in words is "six million, one hundred eleven thousand, eight hundred seventy-one".