12545314431225 has 48 divisors (see below), whose sum is σ = 21985120237248. Its totient is φ = 6290534615040.

The previous prime is 12545314431211. The next prime is 12545314431257. The reversal of 12545314431225 is 52213441354521.

12545314431225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12545314431225 - 2⁵ = 12545314431193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4055839 + ... + 6445188.

It is an arithmetic number, because the mean of its divisors is an integer number (458023338276).

Almost surely, 2^{12545314431225} is an apocalyptic number.

12545314431225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12545314431225 is a deficient number, since it is larger than the sum of its proper divisors (9439805806023).

12545314431225 is a wasteful number, since it uses less digits than its factorization.

12545314431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501994 (or 10501989 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

Adding to 12545314431225 its reverse (52213441354521), we get a palindrome (64758755785746).

The spelling of 12545314431225 in words is "twelve trillion, five hundred forty-five billion, three hundred fourteen million, four hundred thirty-one thousand, two hundred twenty-five".