11331042142 has 24 divisors (see below), whose sum is σ = 19787189760. Its totient is φ = 4852310400.

The previous prime is 11331042131. The next prime is 11331042143. The reversal of 11331042142 is 24124013311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331042143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80142 + ... + 170542.

It is an arithmetic number, because the mean of its divisors is an integer number (824466240).

Almost surely, 2^11331042142 is an apocalyptic number.

11331042142 is a deficient number, since it is larger than the sum of its proper divisors (8456147618).

11331042142 is a wasteful number, since it uses less digits than its factorization.

11331042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91696 (or 91689 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11331042142 its reverse (24124013311), we get a palindrome (35455055453).

The spelling of 11331042142 in words is "eleven billion, three hundred thirty-one million, forty-two thousand, one hundred forty-two".