12526277648 has 10 divisors (see below), whose sum is σ = 24269662974. Its totient is φ = 6263138816.

The previous prime is 12526277639. The next prime is 12526277653. The reversal of 12526277648 is 84677262521.

12526277648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8725801744 + 3800475904 = 93412^2 + 61648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12526277596 and 12526277605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391446161 + ... + 391446192.

Almost surely, 2^12526277648 is an apocalyptic number.

It is an amenable number.

12526277648 is a deficient number, since it is larger than the sum of its proper divisors (11743385326).

12526277648 is an equidigital number, since it uses as much as digits as its factorization.

12526277648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782892361 (or 782892355 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 12526277648 in words is "twelve billion, five hundred twenty-six million, two hundred seventy-seven thousand, six hundred forty-eight".