11151171 has 12 divisors (see below), whose sum is σ = 16543072. Its totient is φ = 7232976.

The previous prime is 11151169. The next prime is 11151181. The reversal of 11151171 is 17115111.

It is not a de Polignac number, because 11151171 - 2¹ = 11151169 is a prime.

It is a super-2 number, since 2×11151171² = 248697229342482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16411 + ... + 17076.

Almost surely, 2^11151171 is an apocalyptic number.

11151171 is a deficient number, since it is larger than the sum of its proper divisors (5391901).

11151171 is a wasteful number, since it uses less digits than its factorization.

11151171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33530 (or 33527 counting only the distinct ones).

The product of its digits is 35, while the sum is 18.

The square root of 11151171 is about 3339.3369102263. The cubic root of 11151171 is about 223.4121691433.

Adding to 11151171 its reverse (17115111), we get a palindrome (28266282).

The spelling of 11151171 in words is "eleven million, one hundred fifty-one thousand, one hundred seventy-one".