11142318 has 32 divisors (see below), whose sum is σ = 24629760. Its totient is φ = 3332160.

The previous prime is 11142317. The next prime is 11142319. The reversal of 11142318 is 81324111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11142317) and next prime (11142319).

It is a junction number, because it is equal to n+sod(n) for n = 11142294 and 11142303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146 + ... + 6282.

It is an arithmetic number, because the mean of its divisors is an integer number (769680).

Almost surely, 2^11142318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12314880).

11142318 is an abundant number, since it is smaller than the sum of its proper divisors (13487442).

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

11142318 is a wasteful number, since it uses less digits than its factorization.

11142318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its digits is 192, while the sum is 21.

The square root of 11142318 is about 3338.0110844633. The cubic root of 11142318 is about 223.3530306134.

Adding to 11142318 its reverse (81324111), we get a palindrome (92466429).

The spelling of 11142318 in words is "eleven million, one hundred forty-two thousand, three hundred eighteen".