1061518403717 has 2 divisors, whose sum is σ = 1061518403718. Its totient is φ = 1061518403716.

The previous prime is 1061518403599. The next prime is 1061518403747. The reversal of 1061518403717 is 7173048151601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042061222596 + 19457181121 = 1020814^2 + 139489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061518403717 - 2¹² = 1061518399621 is a prime.

It is a super-2 number, since 2×1061518403717² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061518403747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530759201858 + 530759201859.

It is an arithmetic number, because the mean of its divisors is an integer number (530759201859).

Almost surely, 2^{1061518403717} is an apocalyptic number.

It is an amenable number.

1061518403717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061518403717 is an equidigital number, since it uses as much as digits as its factorization.

1061518403717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 1061518403717 in words is "one trillion, sixty-one billion, five hundred eighteen million, four hundred three thousand, seven hundred seventeen".