12752005290025 has 9 divisors (see below), whose sum is σ = 15812508699831. Its totient is φ = 10201589948040.

The previous prime is 12752005289987. The next prime is 12752005290047. The reversal of 12752005290025 is 52009250025721.

The square root of 12752005290025 is 3570995.

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

It can be written as a sum of positive squares in only one way, i.e., 4590721904409 + 8161283385616 = 2142597^2 + 2856796^2 .

It is not a de Polignac number, because 12752005290025 - 2⁷ = 12752005289897 is a prime.

It is a super-2 number, since 2×12752005290025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12752005290025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17497876 + ... + 18212074.

Almost surely, 2^{12752005290025} is an apocalyptic number.

12752005290025 is the 3570995-th square number.

12752005290025 is the 1785498-th centered octagonal number.

It is an amenable number.

12752005290025 is a deficient number, since it is larger than the sum of its proper divisors (3060503409806).

12752005290025 is an frugal number, since it uses more digits than its factorization.

12752005290025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428408 (or 714204 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 12752005290025 in words is "twelve trillion, seven hundred fifty-two billion, five million, two hundred ninety thousand, twenty-five".