10561106011 has 4 divisors (see below), whose sum is σ = 10579667400. Its totient is φ = 10542544624.

The previous prime is 10561105979. The next prime is 10561106033. The reversal of 10561106011 is 11060116501.

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

It is a cyclic number.

It is not a de Polignac number, because 10561106011 - 2⁵ = 10561105979 is a prime.

It is a super-2 number, since 2×10561106011² (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 (10561106051) 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, 9279841 + ... + 9280978.

It is an arithmetic number, because the mean of its divisors is an integer number (2644916850).

Almost surely, 2^10561106011 is an apocalyptic number.

10561106011 is a deficient number, since it is larger than the sum of its proper divisors (18561389).

10561106011 is an equidigital number, since it uses as much as digits as its factorization.

10561106011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18561388.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 10561106011 in words is "ten billion, five hundred sixty-one million, one hundred six thousand, eleven".