11113142542 has 8 divisors (see below), whose sum is σ = 16748717832. Its totient is φ = 5530236600.

The previous prime is 11113142483. The next prime is 11113142561. The reversal of 11113142542 is 24524131111.

It is a happy number.

11113142542 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13166809 + ... + 13167652.

It is an arithmetic number, because the mean of its divisors is an integer number (2093589729).

Almost surely, 2^11113142542 is an apocalyptic number.

11113142542 is a deficient number, since it is larger than the sum of its proper divisors (5635575290).

11113142542 is a wasteful number, since it uses less digits than its factorization.

11113142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26334674.

The product of its digits is 960, while the sum is 25.

Adding to 11113142542 its reverse (24524131111), we get a palindrome (35637273653).

The spelling of 11113142542 in words is "eleven billion, one hundred thirteen million, one hundred forty-two thousand, five hundred forty-two".