11081868 has 24 divisors (see below), whose sum is σ = 29551872. Its totient is φ = 3166224.

The previous prime is 11081843. The next prime is 11081879. The reversal of 11081868 is 86818011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65880 + ... + 66047.

It is an arithmetic number, because the mean of its divisors is an integer number (1231328).

Almost surely, 2^11081868 is an apocalyptic number.

It is an amenable number.

11081868 is an abundant number, since it is smaller than the sum of its proper divisors (18470004).

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

11081868 is a wasteful number, since it uses less digits than its factorization.

11081868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131941 (or 131939 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 11081868 is about 3328.9439766989. The cubic root of 11081868 is about 222.9483816795.

Adding to 11081868 its reverse (86818011), we get a palindrome (97899879).

The spelling of 11081868 in words is "eleven million, eighty-one thousand, eight hundred sixty-eight".