11123560 has 32 divisors (see below), whose sum is σ = 28604160. Its totient is φ = 3813696.

The previous prime is 11123557. The next prime is 11123579. The reversal of 11123560 is 6532111.

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, 19584 + ... + 20143.

It is an arithmetic number, because the mean of its divisors is an integer number (893880).

Almost surely, 2^11123560 is an apocalyptic number.

11123560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123560 is an abundant number, since it is smaller than the sum of its proper divisors (17480600).

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

11123560 is a wasteful number, since it uses less digits than its factorization.

11123560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39745 (or 39741 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11123560 is about 3335.2001439194. The cubic root of 11123560 is about 223.2276225540.

Adding to 11123560 its reverse (6532111), we get a palindrome (17655671).

The spelling of 11123560 in words is "eleven million, one hundred twenty-three thousand, five hundred sixty".