541020534121 has 2 divisors, whose sum is σ = 541020534122. Its totient is φ = 541020534120.

The previous prime is 541020534113. The next prime is 541020534143. The reversal of 541020534121 is 121435020145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462318403600 + 78702130521 = 679940^2 + 280539^2 .

It is a cyclic number.

It is not a de Polignac number, because 541020534121 - 2³ = 541020534113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541020534121.

It is not a weakly prime, because it can be changed into another prime (541020534191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270510267060 + 270510267061.

It is an arithmetic number, because the mean of its divisors is an integer number (270510267061).

Almost surely, 2^541020534121 is an apocalyptic number.

It is an amenable number.

541020534121 is a deficient number, since it is larger than the sum of its proper divisors (1).

541020534121 is an equidigital number, since it uses as much as digits as its factorization.

541020534121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 541020534121 its reverse (121435020145), we get a palindrome (662455554266).

The spelling of 541020534121 in words is "five hundred forty-one billion, twenty million, five hundred thirty-four thousand, one hundred twenty-one".