10256115664 has 20 divisors (see below), whose sum is σ = 19875513600. Its totient is φ = 5126950880.

The previous prime is 10256115641. The next prime is 10256115689. The reversal of 10256115664 is 46651165201.

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 3 ways as a sum of consecutive naturals, for example, 9999 + ... + 143569.

It is an arithmetic number, because the mean of its divisors is an integer number (993775680).

Almost surely, 2^10256115664 is an apocalyptic number.

It is an amenable number.

10256115664 is a deficient number, since it is larger than the sum of its proper divisors (9619397936).

10256115664 is a wasteful number, since it uses less digits than its factorization.

10256115664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138378 (or 138372 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 10256115664 in words is "ten billion, two hundred fifty-six million, one hundred fifteen thousand, six hundred sixty-four".