12625545344 has 16 divisors (see below), whose sum is σ = 25152453870. Its totient is φ = 6312772608.

The previous prime is 12625545337. The next prime is 12625545349. The reversal of 12625545344 is 44354552621.

It can be written as a sum of positive squares in only one way, i.e., 12613985344 + 11560000 = 112312^2 + 3400^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (12625545349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49318409 + ... + 49318664.

Almost surely, 2^12625545344 is an apocalyptic number.

It is an amenable number.

12625545344 is a deficient number, since it is larger than the sum of its proper divisors (12526908526).

12625545344 is an frugal number, since it uses more digits than its factorization.

12625545344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98637087 (or 98637075 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The spelling of 12625545344 in words is "twelve billion, six hundred twenty-five million, five hundred forty-five thousand, three hundred forty-four".