10256112165 has 32 divisors (see below), whose sum is σ = 17847075456. Its totient is φ = 4999161600.

The previous prime is 10256112127. The next prime is 10256112187. The reversal of 10256112165 is 56121165201.

It is not a de Polignac number, because 10256112165 - 2⁶ = 10256112101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240679 + ... + 280068.

It is an arithmetic number, because the mean of its divisors is an integer number (557721108).

Almost surely, 2^10256112165 is an apocalyptic number.

10256112165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10256112165 is a deficient number, since it is larger than the sum of its proper divisors (7590963291).

10256112165 is a wasteful number, since it uses less digits than its factorization.

10256112165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520869.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 10256112165 its reverse (56121165201), we get a palindrome (66377277366).

The spelling of 10256112165 in words is "ten billion, two hundred fifty-six million, one hundred twelve thousand, one hundred sixty-five".