11123559 has 48 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 6386688.

The previous prime is 11123557. The next prime is 11123579. The reversal of 11123559 is 95532111.

It is not a de Polignac number, because 11123559 - 2¹ = 11123557 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101997 + ... + 102105.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

Almost surely, 2^11123559 is an apocalyptic number.

11123559 is a deficient number, since it is larger than the sum of its proper divisors (7409241).

11123559 is a wasteful number, since it uses less digits than its factorization.

11123559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 181 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 11123559 is about 3335.1999940034. The cubic root of 11123559 is about 223.2276158646.

The spelling of 11123559 in words is "eleven million, one hundred twenty-three thousand, five hundred fifty-nine".