1052043245509 has 2 divisors, whose sum is σ = 1052043245510. Its totient is φ = 1052043245508.

The previous prime is 1052043245507. The next prime is 1052043245543. The reversal of 1052043245509 is 9055423402501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893223461025 + 158819784484 = 945105^2 + 398522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052043245509 - 2¹ = 1052043245507 is a prime.

It is a super-2 number, since 2×1052043245509² (a number of 25 digits) contains 22 as substring.

Together with 1052043245507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052043245501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526021622754 + 526021622755.

It is an arithmetic number, because the mean of its divisors is an integer number (526021622755).

Almost surely, 2^{1052043245509} is an apocalyptic number.

It is an amenable number.

1052043245509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052043245509 is an equidigital number, since it uses as much as digits as its factorization.

1052043245509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1052043245509 in words is "one trillion, fifty-two billion, forty-three million, two hundred forty-five thousand, five hundred nine".