10265215565 has 16 divisors (see below), whose sum is σ = 13444793856. Its totient is φ = 7461892800.

The previous prime is 10265215529. The next prime is 10265215573. The reversal of 10265215565 is 56551256201.

10265215565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10265215565 - 2¹² = 10265211469 is a prime.

It is a Duffinian number.

10265215565 is a modest number, since divided by 215565 gives 10265 as remainder.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67460 + ... + 158370.

It is an arithmetic number, because the mean of its divisors is an integer number (840299616).

Almost surely, 2^10265215565 is an apocalyptic number.

It is an amenable number.

10265215565 is a deficient number, since it is larger than the sum of its proper divisors (3179578291).

10265215565 is a wasteful number, since it uses less digits than its factorization.

10265215565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92980.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 10265215565 in words is "ten billion, two hundred sixty-five million, two hundred fifteen thousand, five hundred sixty-five".