518260045441 has 2 divisors, whose sum is σ = 518260045442. Its totient is φ = 518260045440.

The previous prime is 518260045427. The next prime is 518260045463. The reversal of 518260045441 is 144540062815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501688890000 + 16571155441 = 708300^2 + 128729^2 .

It is a cyclic number.

It is not a de Polignac number, because 518260045441 - 2¹³ = 518260037249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518260045394 and 518260045403.

It is not a weakly prime, because it can be changed into another prime (518260045841) 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, 259130022720 + 259130022721.

It is an arithmetic number, because the mean of its divisors is an integer number (259130022721).

Almost surely, 2^518260045441 is an apocalyptic number.

It is an amenable number.

518260045441 is a deficient number, since it is larger than the sum of its proper divisors (1).

518260045441 is an equidigital number, since it uses as much as digits as its factorization.

518260045441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 518260045441 in words is "five hundred eighteen billion, two hundred sixty million, forty-five thousand, four hundred forty-one".