11167871 has 16 divisors (see below), whose sum is σ = 13577760. Its totient is φ = 9045120.

The previous prime is 11167853. The next prime is 11167879. The reversal of 11167871 is 17876111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11167871 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 (11167879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (848610).

Almost surely, 2^11167871 is an apocalyptic number.

11167871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11167871 is a deficient number, since it is larger than the sum of its proper divisors (2409889).

11167871 is a wasteful number, since it uses less digits than its factorization.

11167871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746.

The product of its digits is 2352, while the sum is 32.

The square root of 11167871 is about 3341.8364711637. The cubic root of 11167871 is about 223.5236409121.

The spelling of 11167871 in words is "eleven million, one hundred sixty-seven thousand, eight hundred seventy-one".