11441134871 has 4 divisors (see below), whose sum is σ = 11441488392. Its totient is φ = 11440781352.

The previous prime is 11441134849. The next prime is 11441134883. The reversal of 11441134871 is 17843114411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17843114411 = 907 ⋅19672673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11441134871 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 (11441134841) 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, 122705 + ... + 194778.

It is an arithmetic number, because the mean of its divisors is an integer number (2860372098).

Almost surely, 2^11441134871 is an apocalyptic number.

11441134871 is a deficient number, since it is larger than the sum of its proper divisors (353521).

11441134871 is an equidigital number, since it uses as much as digits as its factorization.

11441134871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353520.

The product of its digits is 10752, while the sum is 35.

The spelling of 11441134871 in words is "eleven billion, four hundred forty-one million, one hundred thirty-four thousand, eight hundred seventy-one".