10565131005269 has 2 divisors, whose sum is σ = 10565131005270. Its totient is φ = 10565131005268.

The previous prime is 10565131005217. The next prime is 10565131005323. The reversal of 10565131005269 is 96250013156501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8931054549169 + 1634076456100 = 2988487^2 + 1278310^2 .

It is a cyclic number.

It is not a de Polignac number, because 10565131005269 - 2²⁸ = 10564862569813 is a prime.

It is a super-2 number, since 2×10565131005269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10565131004269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282565502634 + 5282565502635.

It is an arithmetic number, because the mean of its divisors is an integer number (5282565502635).

Almost surely, 2^{10565131005269} is an apocalyptic number.

It is an amenable number.

10565131005269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10565131005269 is an equidigital number, since it uses as much as digits as its factorization.

10565131005269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 10565131005269 in words is "ten trillion, five hundred sixty-five billion, one hundred thirty-one million, five thousand, two hundred sixty-nine".