10561604465 has 16 divisors (see below), whose sum is σ = 12739120128. Its totient is φ = 8405871936.

The previous prime is 10561604419. The next prime is 10561604491. The reversal of 10561604465 is 56440616501.

It is a happy number.

10561604465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10561604465 - 2¹⁰ = 10561603441 is a prime.

It is a super-2 number, since 2×10561604465² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967467 + ... + 2971023.

It is an arithmetic number, because the mean of its divisors is an integer number (796195008).

Almost surely, 2^10561604465 is an apocalyptic number.

It is an amenable number.

10561604465 is a deficient number, since it is larger than the sum of its proper divisors (2177515663).

10561604465 is a wasteful number, since it uses less digits than its factorization.

10561604465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 10561604465 in words is "ten billion, five hundred sixty-one million, six hundred four thousand, four hundred sixty-five".