12257425545 has 8 divisors (see below), whose sum is σ = 19611880896. Its totient is φ = 6537293616.

The previous prime is 12257425541. The next prime is 12257425589. The reversal of 12257425545 is 54552475221.

12257425545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12257425545 - 2² = 12257425541 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12257425497 and 12257425506.

It is not an unprimeable number, because it can be changed into a prime (12257425541) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 408580837 + ... + 408580866.

It is an arithmetic number, because the mean of its divisors is an integer number (2451485112).

Almost surely, 2^12257425545 is an apocalyptic number.

12257425545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12257425545 is a deficient number, since it is larger than the sum of its proper divisors (7354455351).

12257425545 is an equidigital number, since it uses as much as digits as its factorization.

12257425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817161711.

The product of its digits is 560000, while the sum is 42.

The spelling of 12257425545 in words is "twelve billion, two hundred fifty-seven million, four hundred twenty-five thousand, five hundred forty-five".