10565115641 has 2 divisors, whose sum is σ = 10565115642. Its totient is φ = 10565115640.

The previous prime is 10565115601. The next prime is 10565115653. The reversal of 10565115641 is 14651156501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6301025641 + 4264090000 = 79379^2 + 65300^2 .

It is a cyclic number.

It is not a de Polignac number, because 10565115641 - 2¹⁴ = 10565099257 is a prime.

It is a super-2 number, since 2×10565115641² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10565115601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282557820 + 5282557821.

It is an arithmetic number, because the mean of its divisors is an integer number (5282557821).

Almost surely, 2^10565115641 is an apocalyptic number.

It is an amenable number.

10565115641 is a deficient number, since it is larger than the sum of its proper divisors (1).

10565115641 is an equidigital number, since it uses as much as digits as its factorization.

10565115641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 10565115641 in words is "ten billion, five hundred sixty-five million, one hundred fifteen thousand, six hundred forty-one".