5256636061065 has 16 divisors (see below), whose sum is σ = 8905359915648. Its totient is φ = 2638625159936.

The previous prime is 5256636061049. The next prime is 5256636061067. The reversal of 5256636061065 is 5601606366525.

It is a cyclic number.

It is not a de Polignac number, because 5256636061065 - 2⁴ = 5256636061049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 5256636060999 and 5256636061017.

It is not an unprimeable number, because it can be changed into a prime (5256636061067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10307129277 + ... + 10307129786.

It is an arithmetic number, because the mean of its divisors is an integer number (556584994728).

Almost surely, 2^{5256636061065} is an apocalyptic number.

It is an amenable number.

5256636061065 is a deficient number, since it is larger than the sum of its proper divisors (3648723854583).

5256636061065 is a wasteful number, since it uses less digits than its factorization.

5256636061065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20614259088.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 5256636061065 in words is "five trillion, two hundred fifty-six billion, six hundred thirty-six million, sixty-one thousand, sixty-five".