5133421054542 has 128 divisors (see below), whose sum is σ = 11361928900608. Its totient is φ = 1533281011200.

The previous prime is 5133421054483. The next prime is 5133421054591. The reversal of 5133421054542 is 2454501243315.

It is a self number, because there is not a number n which added to its sum of digits gives 5133421054542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2408924817 + ... + 2408926947.

It is an arithmetic number, because the mean of its divisors is an integer number (88765069536).

Almost surely, 2^{5133421054542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5133421054542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5680964450304).

5133421054542 is an abundant number, since it is smaller than the sum of its proper divisors (6228507846066).

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

5133421054542 is a wasteful number, since it uses less digits than its factorization.

5133421054542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 5133421054542 its reverse (2454501243315), we get a palindrome (7587922297857).

The spelling of 5133421054542 in words is "five trillion, one hundred thirty-three billion, four hundred twenty-one million, fifty-four thousand, five hundred forty-two".