12524669306425 has 6 divisors (see below), whose sum is σ = 15530589939998. Its totient is φ = 10019735445120.

The previous prime is 12524669306419. The next prime is 12524669306519. The reversal of 12524669306425 is 52460396642521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 128580333561 + 12396088972864 = 358581^2 + 3520808^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12524669306425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250493386104 + ... + 250493386153.

Almost surely, 2^{12524669306425} is an apocalyptic number.

It is an amenable number.

12524669306425 is a deficient number, since it is larger than the sum of its proper divisors (3005920633573).

12524669306425 is an equidigital number, since it uses as much as digits as its factorization.

12524669306425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500986772267 (or 500986772262 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 12524669306425 in words is "twelve trillion, five hundred twenty-four billion, six hundred sixty-nine million, three hundred six thousand, four hundred twenty-five".