11162871 has 6 divisors (see below), whose sum is σ = 16124160. Its totient is φ = 7441908.

The previous prime is 11162869. The next prime is 11162873. The reversal of 11162871 is 17826111.

It is an interprime number because it is at equal distance from previous prime (11162869) and next prime (11162873).

It is not a de Polignac number, because 11162871 - 2¹ = 11162869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620151 + ... + 620168.

It is an arithmetic number, because the mean of its divisors is an integer number (2687360).

Almost surely, 2^11162871 is an apocalyptic number.

11162871 is a deficient number, since it is larger than the sum of its proper divisors (4961289).

11162871 is a wasteful number, since it uses less digits than its factorization.

11162871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240325 (or 1240322 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 11162871 is about 3341.0882957504. The cubic root of 11162871 is about 223.4902777928.

Adding to 11162871 its reverse (17826111), we get a palindrome (28988982).

The spelling of 11162871 in words is "eleven million, one hundred sixty-two thousand, eight hundred seventy-one".