1056500308573 has 2 divisors, whose sum is σ = 1056500308574. Its totient is φ = 1056500308572.

The previous prime is 1056500308489. The next prime is 1056500308579. The reversal of 1056500308573 is 3758030056501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743288828164 + 313211480409 = 862142^2 + 559653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056500308573 is a prime.

It is a super-2 number, since 2×1056500308573² (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 (1056500308579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528250154286 + 528250154287.

It is an arithmetic number, because the mean of its divisors is an integer number (528250154287).

Almost surely, 2^{1056500308573} is an apocalyptic number.

It is an amenable number.

1056500308573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056500308573 is an equidigital number, since it uses as much as digits as its factorization.

1056500308573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 1056500308573 in words is "one trillion, fifty-six billion, five hundred million, three hundred eight thousand, five hundred seventy-three".