11142231133 has 8 divisors (see below), whose sum is σ = 12167172576. Its totient is φ = 10119291600.

The previous prime is 11142231131. The next prime is 11142231151. The reversal of 11142231133 is 33113224111.

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

It is not a de Polignac number, because 11142231133 - 2¹ = 11142231131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142231131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488823 + ... + 511108.

It is an arithmetic number, because the mean of its divisors is an integer number (1520896572).

Almost surely, 2^11142231133 is an apocalyptic number.

It is an amenable number.

11142231133 is a deficient number, since it is larger than the sum of its proper divisors (1024941443).

11142231133 is a wasteful number, since it uses less digits than its factorization.

11142231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000955.

The product of its digits is 432, while the sum is 22.

Adding to 11142231133 its reverse (33113224111), we get a palindrome (44255455244).

The spelling of 11142231133 in words is "eleven billion, one hundred forty-two million, two hundred thirty-one thousand, one hundred thirty-three".