11011142 has 8 divisors (see below), whose sum is σ = 16541616. Its totient is φ = 5497272.

The previous prime is 11011141. The next prime is 11011151. The reversal of 11011142 is 24111011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (2067702).

Almost surely, 2^11011142 is an apocalyptic number.

11011142 is a deficient number, since it is larger than the sum of its proper divisors (5530474).

11011142 is an equidigital number, since it uses as much as digits as its factorization.

11011142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11011142 is about 3318.3040849205. The cubic root of 11011142 is about 222.4730733732.

Adding to 11011142 its reverse (24111011), we get a palindrome (35122153).

The spelling of 11011142 in words is "eleven million, eleven thousand, one hundred forty-two".