11512342421142 has 32 divisors (see below), whose sum is σ = 23266035348864. Its totient is φ = 3797235936000.

The previous prime is 11512342421137. The next prime is 11512342421149. The reversal of 11512342421142 is 24112424321511.

It is a happy number.

11512342421142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512342421149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714917 + ... + 5095647.

It is an arithmetic number, because the mean of its divisors is an integer number (727063604652).

Almost surely, 2^{11512342421142} is an apocalyptic number.

11512342421142 is an abundant number, since it is smaller than the sum of its proper divisors (11753692927722).

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

11512342421142 is a wasteful number, since it uses less digits than its factorization.

11512342421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386684.

The product of its digits is 15360, while the sum is 33.

Adding to 11512342421142 its reverse (24112424321511), we get a palindrome (35624766742653).

The spelling of 11512342421142 in words is "eleven trillion, five hundred twelve billion, three hundred forty-two million, four hundred twenty-one thousand, one hundred forty-two".