10561110110506 has 4 divisors (see below), whose sum is σ = 15841665165762. Its totient is φ = 5280555055252.

The previous prime is 10561110110497. The next prime is 10561110110521. The reversal of 10561110110506 is 60501101116501.

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

It can be written as a sum of positive squares in only one way, i.e., 8569723453281 + 1991386657225 = 2927409^2 + 1411165^2 .

It is a super-4 number, since 4×10561110110506⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640277527625 + ... + 2640277527628.

Almost surely, 2^{10561110110506} is an apocalyptic number.

10561110110506 is a deficient number, since it is larger than the sum of its proper divisors (5280555055256).

10561110110506 is an equidigital number, since it uses as much as digits as its factorization.

10561110110506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280555055255.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 10561110110506 in words is "ten trillion, five hundred sixty-one billion, one hundred ten million, one hundred ten thousand, five hundred six".