1043255530217 has 2 divisors, whose sum is σ = 1043255530218. Its totient is φ = 1043255530216.

The previous prime is 1043255530159. The next prime is 1043255530223. The reversal of 1043255530217 is 7120355523401.

1043255530217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033920878761 + 9334651456 = 1016819^2 + 96616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043255530217 - 2⁸ = 1043255529961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043255530117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521627765108 + 521627765109.

It is an arithmetic number, because the mean of its divisors is an integer number (521627765109).

Almost surely, 2^{1043255530217} is an apocalyptic number.

It is an amenable number.

1043255530217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043255530217 is an equidigital number, since it uses as much as digits as its factorization.

1043255530217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 1043255530217 in words is "one trillion, forty-three billion, two hundred fifty-five million, five hundred thirty thousand, two hundred seventeen".