54112121142 has 8 divisors (see below), whose sum is σ = 108224242296. Its totient is φ = 18037373712.

The previous prime is 54112121131. The next prime is 54112121149. The reversal of 54112121142 is 24112121145.

54112121142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

54112121142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54112121149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4509343423 + ... + 4509343434.

It is an arithmetic number, because the mean of its divisors is an integer number (13528030287).

Almost surely, 2^54112121142 is an apocalyptic number.

54112121142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54112121142 is a wasteful number, since it uses less digits than its factorization.

54112121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018686862.

The product of its digits is 640, while the sum is 24.

Adding to 54112121142 its reverse (24112121145), we get a palindrome (78224242287).

The spelling of 54112121142 in words is "fifty-four billion, one hundred twelve million, one hundred twenty-one thousand, one hundred forty-two".