12528294064 has 40 divisors (see below), whose sum is σ = 28517206032. Its totient is φ = 5256625920.

The previous prime is 12528294059. The next prime is 12528294083. The reversal of 12528294064 is 46049282521.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12528294064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735539 + ... + 2740114.

Almost surely, 2^12528294064 is an apocalyptic number.

It is an amenable number.

12528294064 is an abundant number, since it is smaller than the sum of its proper divisors (15988911968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12528294064 is a wasteful number, since it uses less digits than its factorization.

12528294064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475685 (or 5475679 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 12528294064 in words is "twelve billion, five hundred twenty-eight million, two hundred ninety-four thousand, sixty-four".