11131243342 has 16 divisors (see below), whose sum is σ = 16962250032. Its totient is φ = 5477794560.

The previous prime is 11131243337. The next prime is 11131243393. The reversal of 11131243342 is 24334213111.

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 7 ways as a sum of consecutive naturals, for example, 123388 + ... + 193615.

It is an arithmetic number, because the mean of its divisors is an integer number (1060140627).

Almost surely, 2^11131243342 is an apocalyptic number.

11131243342 is a deficient number, since it is larger than the sum of its proper divisors (5831006690).

11131243342 is a wasteful number, since it uses less digits than its factorization.

11131243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317283.

The product of its digits is 1728, while the sum is 25.

Adding to 11131243342 its reverse (24334213111), we get a palindrome (35465456453).

The spelling of 11131243342 in words is "eleven billion, one hundred thirty-one million, two hundred forty-three thousand, three hundred forty-two".