11105442 has 24 divisors (see below), whose sum is σ = 24575616. Its totient is φ = 3622776.

The previous prime is 11105441. The next prime is 11105447. The reversal of 11105442 is 24450111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11105441) 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 11 ways as a sum of consecutive naturals, for example, 5718 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (1023984).

Almost surely, 2^11105442 is an apocalyptic number.

11105442 is an abundant number, since it is smaller than the sum of its proper divisors (13470174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105442 is a wasteful number, since it uses less digits than its factorization.

11105442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13179 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11105442 is about 3332.4828581705. The cubic root of 11105442 is about 223.1063593400.

Adding to 11105442 its reverse (24450111), we get a palindrome (35555553).

The spelling of 11105442 in words is "eleven million, one hundred five thousand, four hundred forty-two".