11118142 has 8 divisors (see below), whose sum is σ = 19059696. Its totient is φ = 4764912.

The previous prime is 11118139. The next prime is 11118143. The reversal of 11118142 is 24181111.

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

It is a super-2 number, since 2×11118142² = 247226163064328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11118143) 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 3 ways as a sum of consecutive naturals, for example, 397063 + ... + 397090.

It is an arithmetic number, because the mean of its divisors is an integer number (2382462).

Almost surely, 2^11118142 is an apocalyptic number.

11118142 is a deficient number, since it is larger than the sum of its proper divisors (7941554).

11118142 is an equidigital number, since it uses as much as digits as its factorization.

11118142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794162.

The product of its digits is 64, while the sum is 19.

The square root of 11118142 is about 3334.3877998817. The cubic root of 11118142 is about 223.1913738567.

Adding to 11118142 its reverse (24181111), we get a palindrome (35299253).

The spelling of 11118142 in words is "eleven million, one hundred eighteen thousand, one hundred forty-two".