10666115573 has 2 divisors, whose sum is σ = 10666115574. Its totient is φ = 10666115572.

The previous prime is 10666115543. The next prime is 10666115599. The reversal of 10666115573 is 37551166601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7351004644 + 3315110929 = 85738^2 + 57577^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666115573 - 2¹⁰ = 10666114549 is a prime.

It is a super-2 number, since 2×10666115573² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10666115573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10666115513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333057786 + 5333057787.

It is an arithmetic number, because the mean of its divisors is an integer number (5333057787).

Almost surely, 2^10666115573 is an apocalyptic number.

It is an amenable number.

10666115573 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666115573 is an equidigital number, since it uses as much as digits as its factorization.

10666115573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 10666115573 in words is "ten billion, six hundred sixty-six million, one hundred fifteen thousand, five hundred seventy-three".