543425220345101 has 2 divisors, whose sum is σ = 543425220345102. Its totient is φ = 543425220345100.

The previous prime is 543425220345067. The next prime is 543425220345131. The reversal of 543425220345101 is 101543022524345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498415894552900 + 45009325792201 = 22325230^2 + 6708899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543425220345101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543425220345131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271712610172550 + 271712610172551.

It is an arithmetic number, because the mean of its divisors is an integer number (271712610172551).

Almost surely, 2^{543425220345101} is an apocalyptic number.

It is an amenable number.

543425220345101 is a deficient number, since it is larger than the sum of its proper divisors (1).

543425220345101 is an equidigital number, since it uses as much as digits as its factorization.

543425220345101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 543425220345101 its reverse (101543022524345), we get a palindrome (644968242869446).

The spelling of 543425220345101 in words is "five hundred forty-three trillion, four hundred twenty-five billion, two hundred twenty million, three hundred forty-five thousand, one hundred one".