12625125025 has 6 divisors (see below), whose sum is σ = 15655155062. Its totient is φ = 10100100000.

The previous prime is 12625125001. The next prime is 12625125041. The reversal of 12625125025 is 52052152621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 684973584 + 11940151441 = 26172^2 + 109271^2 .

It is not a de Polignac number, because 12625125025 - 2⁹ = 12625124513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252502476 + ... + 252502525.

Almost surely, 2^12625125025 is an apocalyptic number.

It is an amenable number.

12625125025 is a deficient number, since it is larger than the sum of its proper divisors (3030030037).

12625125025 is an equidigital number, since it uses as much as digits as its factorization.

12625125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505005011 (or 505005006 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 12625125025 its reverse (52052152621), we get a palindrome (64677277646).

The spelling of 12625125025 in words is "twelve billion, six hundred twenty-five million, one hundred twenty-five thousand, twenty-five".