11142255 has 8 divisors (see below), whose sum is σ = 17827632. Its totient is φ = 5942528.

The previous prime is 11142253. The next prime is 11142311. The reversal of 11142255 is 55224111.

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 11142255 - 2¹ = 11142253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142251) 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 7 ways as a sum of consecutive naturals, for example, 371394 + ... + 371423.

It is an arithmetic number, because the mean of its divisors is an integer number (2228454).

Almost surely, 2^11142255 is an apocalyptic number.

11142255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11142255 is a deficient number, since it is larger than the sum of its proper divisors (6685377).

11142255 is an equidigital number, since it uses as much as digits as its factorization.

11142255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742825.

The product of its digits is 400, while the sum is 21.

The square root of 11142255 is about 3338.0016476928. The cubic root of 11142255 is about 223.3526096577.

Adding to 11142255 its reverse (55224111), we get a palindrome (66366366).

The spelling of 11142255 in words is "eleven million, one hundred forty-two thousand, two hundred fifty-five".