1111142534142 has 32 divisors (see below), whose sum is σ = 2307860877600. Its totient is φ = 356217602048.

The previous prime is 1111142534093. The next prime is 1111142534219. The reversal of 1111142534142 is 2414352411111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379167 + ... + 12468602.

It is an arithmetic number, because the mean of its divisors is an integer number (72120652425).

Almost surely, 2^{1111142534142} is an apocalyptic number.

1111142534142 is an abundant number, since it is smaller than the sum of its proper divisors (1196718343458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111142534142 is a wasteful number, since it uses less digits than its factorization.

1111142534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24848060.

The product of its digits is 3840, while the sum is 30.

Adding to 1111142534142 its reverse (2414352411111), we get a palindrome (3525494945253).

The spelling of 1111142534142 in words is "one trillion, one hundred eleven billion, one hundred forty-two million, five hundred thirty-four thousand, one hundred forty-two".