543425343133121 has 2 divisors, whose sum is σ = 543425343133122. Its totient is φ = 543425343133120.

The previous prime is 543425343133091. The next prime is 543425343133151. The reversal of 543425343133121 is 121331343524345.

It is a balanced prime because it is at equal distance from previous prime (543425343133091) and next prime (543425343133151).

It can be written as a sum of positive squares in only one way, i.e., 512110563619600 + 31314779513521 = 22629860^2 + 5595961^2 .

It is a cyclic number.

It is not a de Polignac number, because 543425343133121 - 2²² = 543425338938817 is a prime.

It is a super-2 number, since 2×543425343133121² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (543425343133151) by changing a digit.

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 as a sum of consecutive naturals, namely, 271712671566560 + 271712671566561.

It is an arithmetic number, because the mean of its divisors is an integer number (271712671566561).

Almost surely, 2^{543425343133121} is an apocalyptic number.

It is an amenable number.

543425343133121 is a deficient number, since it is larger than the sum of its proper divisors (1).

543425343133121 is an equidigital number, since it uses as much as digits as its factorization.

543425343133121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 44.

Adding to 543425343133121 its reverse (121331343524345), we get a palindrome (664756686657466).

The spelling of 543425343133121 in words is "five hundred forty-three trillion, four hundred twenty-five billion, three hundred forty-three million, one hundred thirty-three thousand, one hundred twenty-one".