12525043056 has 40 divisors (see below), whose sum is σ = 32459775120. Its totient is φ = 4161670656.

The previous prime is 12525043043. The next prime is 12525043061. The reversal of 12525043056 is 65034052521.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 401811 + ... + 431858.

It is an arithmetic number, because the mean of its divisors is an integer number (811494378).

Almost surely, 2^12525043056 is an apocalyptic number.

12525043056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12525043056 is an abundant number, since it is smaller than the sum of its proper divisors (19934732064).

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

12525043056 is a wasteful number, since it uses less digits than its factorization.

12525043056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833993 (or 833987 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 12525043056 its reverse (65034052521), we get a palindrome (77559095577).

The spelling of 12525043056 in words is "twelve billion, five hundred twenty-five million, forty-three thousand, fifty-six".