110050005561 has 4 divisors (see below), whose sum is σ = 146733340752. Its totient is φ = 73366670372.

The previous prime is 110050005521. The next prime is 110050005577. The reversal of 110050005561 is 165500050011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110050005561 - 2¹⁷ = 110049874489 is a prime.

It is a super-2 number, since 2×110050005561² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110050005521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18341667591 + ... + 18341667596.

It is an arithmetic number, because the mean of its divisors is an integer number (36683335188).

Almost surely, 2^110050005561 is an apocalyptic number.

It is an amenable number.

110050005561 is a deficient number, since it is larger than the sum of its proper divisors (36683335191).

110050005561 is an equidigital number, since it uses as much as digits as its factorization.

110050005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36683335190.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 110050005561 its reverse (165500050011), we get a palindrome (275550055572).

The spelling of 110050005561 in words is "one hundred ten billion, fifty million, five thousand, five hundred sixty-one".