51559619005441 has 2 divisors, whose sum is σ = 51559619005442. Its totient is φ = 51559619005440.

The previous prime is 51559619005421. The next prime is 51559619005469. The reversal of 51559619005441 is 14450091695515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29274808784400 + 22284810221041 = 5410620^2 + 4720679^2 .

It is a cyclic number.

It is not a de Polignac number, because 51559619005441 - 2²⁹ = 51559082134529 is a prime.

It is not a weakly prime, because it can be changed into another prime (51559619005421) 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, 25779809502720 + 25779809502721.

It is an arithmetic number, because the mean of its divisors is an integer number (25779809502721).

Almost surely, 2^{51559619005441} is an apocalyptic number.

It is an amenable number.

51559619005441 is a deficient number, since it is larger than the sum of its proper divisors (1).

51559619005441 is an equidigital number, since it uses as much as digits as its factorization.

51559619005441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860000, while the sum is 55.

The spelling of 51559619005441 in words is "fifty-one trillion, five hundred fifty-nine billion, six hundred nineteen million, five thousand, four hundred forty-one".