10561313305 has 16 divisors (see below), whose sum is σ = 13920635520. Its totient is φ = 7656346368.

The previous prime is 10561313303. The next prime is 10561313311. The reversal of 10561313305 is 50331316501.

It is a cyclic number.

It is not a de Polignac number, because 10561313305 - 2¹ = 10561313303 is a prime.

It is a super-2 number, since 2×10561313305² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561313303) 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, 2414592 + ... + 2418961.

It is an arithmetic number, because the mean of its divisors is an integer number (870039720).

Almost surely, 2^10561313305 is an apocalyptic number.

It is an amenable number.

10561313305 is a deficient number, since it is larger than the sum of its proper divisors (3359322215).

10561313305 is a wasteful number, since it uses less digits than its factorization.

10561313305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833600.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 10561313305 its reverse (50331316501), we get a palindrome (60892629806).

The spelling of 10561313305 in words is "ten billion, five hundred sixty-one million, three hundred thirteen thousand, three hundred five".