11142583 has 4 divisors (see below), whose sum is σ = 11526840. Its totient is φ = 10758328.

The previous prime is 11142581. The next prime is 11142613. The reversal of 11142583 is 38524111.

11142583 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 11142583 - 2¹ = 11142581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142581) 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, 192085 + ... + 192142.

It is an arithmetic number, because the mean of its divisors is an integer number (2881710).

Almost surely, 2^11142583 is an apocalyptic number.

11142583 is a deficient number, since it is larger than the sum of its proper divisors (384257).

11142583 is an equidigital number, since it uses as much as digits as its factorization.

11142583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384256.

The product of its digits is 960, while the sum is 25.

The square root of 11142583 is about 3338.0507785233. The cubic root of 11142583 is about 223.3548012828.

Adding to 11142583 its reverse (38524111), we get a palindrome (49666694).

The spelling of 11142583 in words is "eleven million, one hundred forty-two thousand, five hundred eighty-three".