11125523 has 4 divisors (see below), whose sum is σ = 11137680. Its totient is φ = 11113368.

The previous prime is 11125489. The next prime is 11125547. The reversal of 11125523 is 32552111.

It is a happy number.

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 11125523 - 2⁶ = 11125459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11125495 and 11125504.

It is not an unprimeable number, because it can be changed into a prime (11125553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583 + ... + 6576.

It is an arithmetic number, because the mean of its divisors is an integer number (2784420).

Almost surely, 2^11125523 is an apocalyptic number.

11125523 is a deficient number, since it is larger than the sum of its proper divisors (12157).

11125523 is an equidigital number, since it uses as much as digits as its factorization.

11125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156.

The product of its digits is 300, while the sum is 20.

The square root of 11125523 is about 3335.4944161248. The cubic root of 11125523 is about 223.2407529442.

Adding to 11125523 its reverse (32552111), we get a palindrome (43677634).

The spelling of 11125523 in words is "eleven million, one hundred twenty-five thousand, five hundred twenty-three".