11442111 has 8 divisors (see below), whose sum is σ = 15350400. Its totient is φ = 7580952.

The previous prime is 11442097. The next prime is 11442113. The reversal of 11442111 is 11124411.

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

It is not a de Polignac number, because 11442111 - 2¹¹ = 11440063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11211 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (1918800).

Almost surely, 2^11442111 is an apocalyptic number.

11442111 is a deficient number, since it is larger than the sum of its proper divisors (3908289).

11442111 is a wasteful number, since it uses less digits than its factorization.

11442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23565.

The product of its digits is 32, while the sum is 15.

The square root of 11442111 is about 3382.6189557797. The cubic root of 11442111 is about 225.3384929804.

Adding to 11442111 its reverse (11124411), we get a palindrome (22566522).

The spelling of 11442111 in words is "eleven million, four hundred forty-two thousand, one hundred eleven".