11131333142 has 8 divisors (see below), whose sum is σ = 16698031416. Its totient is φ = 5565322672.

The previous prime is 11131333111. The next prime is 11131333163. The reversal of 11131333142 is 24133313111.

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, 129383 + ... + 197490.

It is an arithmetic number, because the mean of its divisors is an integer number (2087253927).

Almost surely, 2^11131333142 is an apocalyptic number.

11131333142 is a deficient number, since it is larger than the sum of its proper divisors (5566698274).

11131333142 is a wasteful number, since it uses less digits than its factorization.

11131333142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343902.

The product of its digits is 648, while the sum is 23.

Adding to 11131333142 its reverse (24133313111), we get a palindrome (35264646253).

The spelling of 11131333142 in words is "eleven billion, one hundred thirty-one million, three hundred thirty-three thousand, one hundred forty-two".