11871163 has 4 divisors (see below), whose sum is σ = 11893648. Its totient is φ = 11848680.

The previous prime is 11871161. The next prime is 11871169. The reversal of 11871163 is 36117811.

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 11871163 - 2¹ = 11871161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11871161) 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, 10431 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (2973412).

Almost surely, 2^11871163 is an apocalyptic number.

11871163 is a deficient number, since it is larger than the sum of its proper divisors (22485).

11871163 is an equidigital number, since it uses as much as digits as its factorization.

11871163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22484.

The product of its digits is 1008, while the sum is 28.

The square root of 11871163 is about 3445.4554125689. The cubic root of 11871163 is about 228.1205566908.

Adding to 11871163 its reverse (36117811), we get a palindrome (47988974).

The spelling of 11871163 in words is "eleven million, eight hundred seventy-one thousand, one hundred sixty-three".