11142253222142 has 64 divisors (see below), whose sum is σ = 20270717337600. Its totient is φ = 4484108906496.

The previous prime is 11142253222123. The next prime is 11142253222157. The reversal of 11142253222142 is 24122235224111.

It is a happy number.

It is a super-3 number, since 3×11142253222142³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11142253222099 and 11142253222108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712002734 + ... + 712018382.

It is an arithmetic number, because the mean of its divisors is an integer number (316729958400).

Almost surely, 2^{11142253222142} is an apocalyptic number.

11142253222142 is a deficient number, since it is larger than the sum of its proper divisors (9128464115458).

11142253222142 is a wasteful number, since it uses less digits than its factorization.

11142253222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22305.

The product of its digits is 15360, while the sum is 32.

Adding to 11142253222142 its reverse (24122235224111), we get a palindrome (35264488446253).

The spelling of 11142253222142 in words is "eleven trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".