11442571 has 8 divisors (see below), whose sum is σ = 13102304. Its totient is φ = 9789120.

The previous prime is 11442553. The next prime is 11442577. The reversal of 11442571 is 17524411.

11442571 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11442571 - 2¹⁵ = 11409803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442577) by changing a digit.

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, 3391 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (1637788).

Almost surely, 2^11442571 is an apocalyptic number.

11442571 is a deficient number, since it is larger than the sum of its proper divisors (1659733).

11442571 is an equidigital number, since it uses as much as digits as its factorization.

11442571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its digits is 1120, while the sum is 25.

The square root of 11442571 is about 3382.6869497487. The cubic root of 11442571 is about 225.3415126539.

Adding to 11442571 its reverse (17524411), we get a palindrome (28966982).

The spelling of 11442571 in words is "eleven million, four hundred forty-two thousand, five hundred seventy-one".