256510045760106 has 16 divisors (see below), whose sum is σ = 535325312890944. Its totient is φ = 81785811691584.

The previous prime is 256510045760041. The next prime is 256510045760113. The reversal of 256510045760106 is 601067540015652.

It is a super-2 number, since 2×256510045760106² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 929384223631 + ... + 929384223906.

It is an arithmetic number, because the mean of its divisors is an integer number (33457832055684).

Almost surely, 2^{256510045760106} is an apocalyptic number.

256510045760106 is an abundant number, since it is smaller than the sum of its proper divisors (278815267130838).

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

256510045760106 is a wasteful number, since it uses less digits than its factorization.

256510045760106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858768447565.

The product of its (nonzero) digits is 1512000, while the sum is 48.

Adding to 256510045760106 its reverse (601067540015652), we get a palindrome (857577585775758).

The spelling of 256510045760106 in words is "two hundred fifty-six trillion, five hundred ten billion, forty-five million, seven hundred sixty thousand, one hundred six".