10513564361 has 4 divisors (see below), whose sum is σ = 10513866132. Its totient is φ = 10513262592.

The previous prime is 10513564349. The next prime is 10513564363. The reversal of 10513564361 is 16346531501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3558838336 + 6954726025 = 59656^2 + 83395^2 .

It is a cyclic number.

It is not a de Polignac number, because 10513564361 - 2⁶ = 10513564297 is a prime.

It is a super-2 number, since 2×10513564361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10513564363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90596 + ... + 170981.

It is an arithmetic number, because the mean of its divisors is an integer number (2628466533).

Almost surely, 2^10513564361 is an apocalyptic number.

It is an amenable number.

10513564361 is a deficient number, since it is larger than the sum of its proper divisors (301771).

10513564361 is an equidigital number, since it uses as much as digits as its factorization.

10513564361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301770.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 10513564361 in words is "ten billion, five hundred thirteen million, five hundred sixty-four thousand, three hundred sixty-one".