500505542241541 has 2 divisors, whose sum is σ = 500505542241542. Its totient is φ = 500505542241540.

The previous prime is 500505542241521. The next prime is 500505542241547. The reversal of 500505542241541 is 145142245505005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495353795337025 + 5151746904516 = 22256545^2 + 2269746^2 .

It is a cyclic number.

It is not a de Polignac number, because 500505542241541 - 2¹³ = 500505542233349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500505542241547) 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, 250252771120770 + 250252771120771.

It is an arithmetic number, because the mean of its divisors is an integer number (250252771120771).

Almost surely, 2^{500505542241541} is an apocalyptic number.

It is an amenable number.

500505542241541 is a deficient number, since it is larger than the sum of its proper divisors (1).

500505542241541 is an equidigital number, since it uses as much as digits as its factorization.

500505542241541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800000, while the sum is 43.

Adding to 500505542241541 its reverse (145142245505005), we get a palindrome (645647787746546).

The spelling of 500505542241541 in words is "five hundred trillion, five hundred five billion, five hundred forty-two million, two hundred forty-one thousand, five hundred forty-one".