11125579 has 4 divisors (see below), whose sum is σ = 11165176. Its totient is φ = 11085984.

The previous prime is 11125553. The next prime is 11125613. The reversal of 11125579 is 97552111.

11125579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11125579 - 2⁵ = 11125547 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11125579.

It is not an unprimeable number, because it can be changed into a prime (11125549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19374 + ... + 19939.

It is an arithmetic number, because the mean of its divisors is an integer number (2791294).

Almost surely, 2^11125579 is an apocalyptic number.

11125579 is a deficient number, since it is larger than the sum of its proper divisors (39597).

11125579 is an equidigital number, since it uses as much as digits as its factorization.

11125579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39596.

The product of its digits is 3150, while the sum is 31.

The square root of 11125579 is about 3335.5028106719. The cubic root of 11125579 is about 223.2411275022.

The spelling of 11125579 in words is "eleven million, one hundred twenty-five thousand, five hundred seventy-nine".