12581525608 has 16 divisors (see below), whose sum is σ = 23617836000. Its totient is φ = 6283436016.

The previous prime is 12581525603. The next prime is 12581525611. The reversal of 12581525608 is 80652518521.

It is not an unprimeable number, because it can be changed into a prime (12581525603) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 908548 + ... + 922291.

It is an arithmetic number, because the mean of its divisors is an integer number (1476114750).

Almost surely, 2^12581525608 is an apocalyptic number.

It is an amenable number.

12581525608 is a deficient number, since it is larger than the sum of its proper divisors (11036310392).

12581525608 is a wasteful number, since it uses less digits than its factorization.

12581525608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831704 (or 1831700 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 43.

The spelling of 12581525608 in words is "twelve billion, five hundred eighty-one million, five hundred twenty-five thousand, six hundred eight".