10561104523 has 4 divisors (see below), whose sum is σ = 10614175600. Its totient is φ = 10508033448.

The previous prime is 10561104467. The next prime is 10561104527. The reversal of 10561104523 is 32540116501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32540116501 = 919 ⋅35408179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10561104523 is a prime.

It is a super-2 number, since 2×10561104523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10561104491 and 10561104500.

It is not an unprimeable number, because it can be changed into a prime (10561104527) 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, 26535240 + ... + 26535637.

It is an arithmetic number, because the mean of its divisors is an integer number (2653543900).

Almost surely, 2^10561104523 is an apocalyptic number.

10561104523 is a deficient number, since it is larger than the sum of its proper divisors (53071077).

10561104523 is an equidigital number, since it uses as much as digits as its factorization.

10561104523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53071076.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 10561104523 in words is "ten billion, five hundred sixty-one million, one hundred four thousand, five hundred twenty-three".