10533630565 has 4 divisors (see below), whose sum is σ = 12640356684. Its totient is φ = 8426904448.

The previous prime is 10533630563. The next prime is 10533630631. The reversal of 10533630565 is 56503633501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56503633501 = 7 ⋅8071947643.

It can be written as a sum of positive squares in 2 ways, for example, as 7348947076 + 3184683489 = 85726^2 + 56433^2 .

It is a cyclic number.

It is not a de Polignac number, because 10533630565 - 2¹ = 10533630563 is a prime.

It is a super-2 number, since 2×10533630565² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533630563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053363052 + ... + 1053363061.

It is an arithmetic number, because the mean of its divisors is an integer number (3160089171).

Almost surely, 2^10533630565 is an apocalyptic number.

It is an amenable number.

10533630565 is a deficient number, since it is larger than the sum of its proper divisors (2106726119).

10533630565 is an equidigital number, since it uses as much as digits as its factorization.

10533630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106726118.

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 10533630565 in words is "ten billion, five hundred thirty-three million, six hundred thirty thousand, five hundred sixty-five".