541545543241 has 2 divisors, whose sum is σ = 541545543242. Its totient is φ = 541545543240.

The previous prime is 541545543197. The next prime is 541545543293. The reversal of 541545543241 is 142345545145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508283443600 + 33262099641 = 712940^2 + 182379^2 .

It is a cyclic number.

It is not a de Polignac number, because 541545543241 - 2²¹ = 541543446089 is a prime.

It is not a weakly prime, because it can be changed into another prime (541545543041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270772771620 + 270772771621.

It is an arithmetic number, because the mean of its divisors is an integer number (270772771621).

Almost surely, 2^541545543241 is an apocalyptic number.

It is an amenable number.

541545543241 is a deficient number, since it is larger than the sum of its proper divisors (1).

541545543241 is an equidigital number, since it uses as much as digits as its factorization.

541545543241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960000, while the sum is 43.

The spelling of 541545543241 in words is "five hundred forty-one billion, five hundred forty-five million, five hundred forty-three thousand, two hundred forty-one".