12625525408 has 12 divisors (see below), whose sum is σ = 24856503210. Its totient is φ = 6312762688.

The previous prime is 12625525397. The next prime is 12625525411. The reversal of 12625525408 is 80452552621.

It can be written as a sum of positive squares in only one way, i.e., 10090604304 + 2534921104 = 100452^2 + 50348^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197273803 + ... + 197273866.

Almost surely, 2^12625525408 is an apocalyptic number.

It is an amenable number.

12625525408 is a deficient number, since it is larger than the sum of its proper divisors (12230977802).

12625525408 is an equidigital number, since it uses as much as digits as its factorization.

12625525408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394547679 (or 394547671 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 12625525408 in words is "twelve billion, six hundred twenty-five million, five hundred twenty-five thousand, four hundred eight".