13027443516025 has 27 divisors (see below), whose sum is σ = 17160567443661. Its totient is φ = 9808667648640.

The previous prime is 13027443516023. The next prime is 13027443516047. The reversal of 13027443516025 is 52061534472031.

The square root of 13027443516025 is 3609355.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 304724976361 + 12722718539664 = 552019^2 + 3566892^2 .

It is not a de Polignac number, because 13027443516025 - 2¹ = 13027443516023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13027443516023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 306773944 + ... + 306816406.

Almost surely, 2^{13027443516025} is an apocalyptic number.

13027443516025 is the 3609355-th square number.

13027443516025 is the 1804678-th centered octagonal number.

It is an amenable number.

13027443516025 is a deficient number, since it is larger than the sum of its proper divisors (4133123927636).

13027443516025 is an frugal number, since it uses more digits than its factorization.

13027443516025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84970 (or 42485 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 13027443516025 its reverse (52061534472031), we get a palindrome (65088977988056).

The spelling of 13027443516025 in words is "thirteen trillion, twenty-seven billion, four hundred forty-three million, five hundred sixteen thousand, twenty-five".