12425025757225 has 9 divisors (see below), whose sum is σ = 15407053793463. Its totient is φ = 9940006506120.

The previous prime is 12425025757223. The next prime is 12425025757271. The reversal of 12425025757225 is 52275752052421.

The square root of 12425025757225 is 3524915.

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

12425025757225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4473009272601 + 7952016484624 = 2114949^2 + 2819932^2 .

It is not a de Polignac number, because 12425025757225 - 2¹ = 12425025757223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12425025757223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17272084 + ... + 17977066.

Almost surely, 2^{12425025757225} is an apocalyptic number.

12425025757225 is the 3524915-th square number.

12425025757225 is the 1762458-th centered octagonal number.

It is an amenable number.

12425025757225 is a deficient number, since it is larger than the sum of its proper divisors (2982028036238).

12425025757225 is an frugal number, since it uses more digits than its factorization.

12425025757225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409976 (or 704988 counting only the distinct ones).

The product of its (nonzero) digits is 3920000, while the sum is 49.

Multiplying 12425025757225 by its sum of digits (49), we get a square (608826262104025 = 24674405²).

The spelling of 12425025757225 in words is "twelve trillion, four hundred twenty-five billion, twenty-five million, seven hundred fifty-seven thousand, two hundred twenty-five".