51213231114543 has 6 divisors (see below), whose sum is σ = 73974667165464. Its totient is φ = 34142154076356.

The previous prime is 51213231114499. The next prime is 51213231114553. The reversal of 51213231114543 is 34541113231215.

51213231114543 is a `hidden beast` number, since 51 + 2 + 1 + 32 + 31 + 1 + 1 + 4 + 543 = 666.

It is not a de Polignac number, because 51213231114543 - 2²² = 51213226920239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51213231114498 and 51213231114507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51213231114553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2845179506355 + ... + 2845179506372.

It is an arithmetic number, because the mean of its divisors is an integer number (12329111194244).

Almost surely, 2^{51213231114543} is an apocalyptic number.

51213231114543 is a deficient number, since it is larger than the sum of its proper divisors (22761436050921).

51213231114543 is a wasteful number, since it uses less digits than its factorization.

51213231114543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690359012733 (or 5690359012730 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 51213231114543 its reverse (34541113231215), we get a palindrome (85754344345758).

The spelling of 51213231114543 in words is "fifty-one trillion, two hundred thirteen billion, two hundred thirty-one million, one hundred fourteen thousand, five hundred forty-three".