1028559396041 has 2 divisors, whose sum is σ = 1028559396042. Its totient is φ = 1028559396040.

The previous prime is 1028559396013. The next prime is 1028559396101. The reversal of 1028559396041 is 1406939558201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728469078016 + 300090318025 = 853504^2 + 547805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028559396041 - 2¹⁸ = 1028559133897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1028559396841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514279698020 + 514279698021.

It is an arithmetic number, because the mean of its divisors is an integer number (514279698021).

Almost surely, 2^{1028559396041} is an apocalyptic number.

It is an amenable number.

1028559396041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028559396041 is an equidigital number, since it uses as much as digits as its factorization.

1028559396041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 1028559396041 in words is "one trillion, twenty-eight billion, five hundred fifty-nine million, three hundred ninety-six thousand, forty-one".