5143352051421 has 16 divisors (see below), whose sum is σ = 7620425560000. Its totient is φ = 3428611233264.

The previous prime is 5143352051401. The next prime is 5143352051429. The reversal of 5143352051421 is 1241502533415.

5143352051421 is a `hidden beast` number, since 5 + 1 + 43 + 3 + 520 + 51 + 42 + 1 = 666.

It is not a de Polignac number, because 5143352051421 - 2¹¹ = 5143352049373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143352051429) 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, 7734046 + ... + 8372703.

It is an arithmetic number, because the mean of its divisors is an integer number (476276597500).

Almost surely, 2^{5143352051421} is an apocalyptic number.

It is an amenable number.

5143352051421 is a deficient number, since it is larger than the sum of its proper divisors (2477073508579).

5143352051421 is a wasteful number, since it uses less digits than its factorization.

5143352051421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118585 (or 16118579 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 5143352051421 its reverse (1241502533415), we get a palindrome (6384854584836).

The spelling of 5143352051421 in words is "five trillion, one hundred forty-three billion, three hundred fifty-two million, fifty-one thousand, four hundred twenty-one".