1066444326113 has 2 divisors, whose sum is σ = 1066444326114. Its totient is φ = 1066444326112.

The previous prime is 1066444326107. The next prime is 1066444326197. The reversal of 1066444326113 is 3116234446601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752898083809 + 313546242304 = 867697^2 + 559952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066444326113 - 2¹⁶ = 1066444260577 is a prime.

It is a super-2 number, since 2×1066444326113² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066444326413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533222163056 + 533222163057.

It is an arithmetic number, because the mean of its divisors is an integer number (533222163057).

Almost surely, 2^{1066444326113} is an apocalyptic number.

It is an amenable number.

1066444326113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066444326113 is an equidigital number, since it uses as much as digits as its factorization.

1066444326113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 1066444326113 in words is "one trillion, sixty-six billion, four hundred forty-four million, three hundred twenty-six thousand, one hundred thirteen".