12527534281225 has 6 divisors (see below), whose sum is σ = 15534142508750. Its totient is φ = 10022027424960.

The previous prime is 12527534281217. The next prime is 12527534281271. The reversal of 12527534281225 is 52218243572521.

It can be written as a sum of positive squares in 3 ways, for example, as 380524895689 + 12147009385536 = 616867^2 + 3485256^2 .

It is not a de Polignac number, because 12527534281225 - 2³ = 12527534281217 is a prime.

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, 250550685600 + ... + 250550685649.

Almost surely, 2^{12527534281225} is an apocalyptic number.

It is an amenable number.

12527534281225 is a deficient number, since it is larger than the sum of its proper divisors (3006608227525).

12527534281225 is an equidigital number, since it uses as much as digits as its factorization.

12527534281225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501101371259 (or 501101371254 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 49.

The spelling of 12527534281225 in words is "twelve trillion, five hundred twenty-seven billion, five hundred thirty-four million, two hundred eighty-one thousand, two hundred twenty-five".