11411871 has 16 divisors (see below), whose sum is σ = 15600384. Its totient is φ = 7418304.

The previous prime is 11411863. The next prime is 11411893. The reversal of 11411871 is 17811411.

It is not a de Polignac number, because 11411871 - 2³ = 11411863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23190 + ... + 23676.

It is an arithmetic number, because the mean of its divisors is an integer number (975024).

Almost surely, 2^11411871 is an apocalyptic number.

11411871 is a deficient number, since it is larger than the sum of its proper divisors (4188513).

11411871 is a wasteful number, since it uses less digits than its factorization.

11411871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 224, while the sum is 24.

The square root of 11411871 is about 3378.1460892034. The cubic root of 11411871 is about 225.1398044721.

The spelling of 11411871 in words is "eleven million, four hundred eleven thousand, eight hundred seventy-one".