5256306601065 has 48 divisors (see below), whose sum is σ = 10388935419408. Its totient is φ = 2435501334528.

The previous prime is 5256306601061. The next prime is 5256306601121. The reversal of 5256306601065 is 5601066036525.

5256306601065 is a `hidden beast` number, since 5 + 2 + 5 + 6 + 30 + 6 + 601 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 71263370304 + 5185043230761 = 266952^2 + 2277069^2 .

It is not a de Polignac number, because 5256306601065 - 2² = 5256306601061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5256306601065.

It is not an unprimeable number, because it can be changed into a prime (5256306601061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264258864 + ... + 264278753.

It is an arithmetic number, because the mean of its divisors is an integer number (216436154571).

Almost surely, 2^{5256306601065} is an apocalyptic number.

It is an amenable number.

5256306601065 is a deficient number, since it is larger than the sum of its proper divisors (5132628818343).

5256306601065 is a wasteful number, since it uses less digits than its factorization.

5256306601065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528537658 (or 528537655 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 5256306601065 in words is "five trillion, two hundred fifty-six billion, three hundred six million, six hundred one thousand, sixty-five".