11043871 has 4 divisors (see below), whose sum is σ = 11342392. Its totient is φ = 10745352.

The previous prime is 11043869. The next prime is 11043881. The reversal of 11043871 is 17834011.

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 11043871 - 2¹ = 11043869 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 (11043821) 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, 149205 + ... + 149278.

It is an arithmetic number, because the mean of its divisors is an integer number (2835598).

Almost surely, 2^11043871 is an apocalyptic number.

11043871 is a deficient number, since it is larger than the sum of its proper divisors (298521).

11043871 is an equidigital number, since it uses as much as digits as its factorization.

11043871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298520.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11043871 is about 3323.2320111602. The cubic root of 11043871 is about 222.6932781709.

Adding to 11043871 its reverse (17834011), we get a palindrome (28877882).

The spelling of 11043871 in words is "eleven million, forty-three thousand, eight hundred seventy-one".