11151868 has 24 divisors (see below), whose sum is σ = 24020192. Its totient is φ = 4411584.

The previous prime is 11151859. The next prime is 11151871. The reversal of 11151868 is 86815111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14955 + ... + 15682.

Almost surely, 2^11151868 is an apocalyptic number.

It is an amenable number.

11151868 is an abundant number, since it is smaller than the sum of its proper divisors (12868324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11151868 is a wasteful number, since it uses less digits than its factorization.

11151868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30661 (or 30659 counting only the distinct ones).

The product of its digits is 1920, while the sum is 31.

The square root of 11151868 is about 3339.4412706320. The cubic root of 11151868 is about 223.4168238125.

Adding to 11151868 its reverse (86815111), we get a palindrome (97966979).

The spelling of 11151868 in words is "eleven million, one hundred fifty-one thousand, eight hundred sixty-eight".