256510045760147 has 8 divisors (see below), whose sum is σ = 257139267144192. Its totient is φ = 255880982110600.

The previous prime is 256510045760113. The next prime is 256510045760149. The reversal of 256510045760147 is 741067540015652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256510045760147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256510045760149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36176879 + ... + 42682392.

It is an arithmetic number, because the mean of its divisors is an integer number (32142408393024).

Almost surely, 2^{256510045760147} is an apocalyptic number.

256510045760147 is a deficient number, since it is larger than the sum of its proper divisors (629221384045).

256510045760147 is an equidigital number, since it uses as much as digits as its factorization.

256510045760147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78867249.

The product of its (nonzero) digits is 7056000, while the sum is 53.

Adding to 256510045760147 its reverse (741067540015652), we get a palindrome (997577585775799).

The spelling of 256510045760147 in words is "two hundred fifty-six trillion, five hundred ten billion, forty-five million, seven hundred sixty thousand, one hundred forty-seven".