11104871 has 4 divisors (see below), whose sum is σ = 11111544. Its totient is φ = 11098200.

The previous prime is 11104843. The next prime is 11104889. The reversal of 11104871 is 17840111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11104871 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 (11104271) 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 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (2777886).

Almost surely, 2^11104871 is an apocalyptic number.

11104871 is a deficient number, since it is larger than the sum of its proper divisors (6673).

11104871 is an equidigital number, since it uses as much as digits as its factorization.

11104871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 11104871 is about 3332.3971852107. The cubic root of 11104871 is about 223.1025355116.

Adding to 11104871 its reverse (17840111), we get a palindrome (28944982).

The spelling of 11104871 in words is "eleven million, one hundred four thousand, eight hundred seventy-one".