12664141325 has 18 divisors (see below), whose sum is σ = 17260914762. Its totient is φ = 9210282400.

The previous prime is 12664141267. The next prime is 12664141331. The reversal of 12664141325 is 52314146621.

It can be written as a sum of positive squares in 3 ways, for example, as 1702470121 + 10961671204 = 41261^2 + 104698^2 .

It is not a de Polignac number, because 12664141325 - 2⁸ = 12664141069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2090222 + ... + 2096271.

It is an arithmetic number, because the mean of its divisors is an integer number (958939709).

Almost surely, 2^12664141325 is an apocalyptic number.

It is an amenable number.

12664141325 is a deficient number, since it is larger than the sum of its proper divisors (4596773437).

12664141325 is a wasteful number, since it uses less digits than its factorization.

12664141325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186525 (or 4186509 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 12664141325 its reverse (52314146621), we get a palindrome (64978287946).

The spelling of 12664141325 in words is "twelve billion, six hundred sixty-four million, one hundred forty-one thousand, three hundred twenty-five".