110506005561 has 16 divisors (see below), whose sum is σ = 169262597504. Its totient is φ = 62819103744.

The previous prime is 110506005541. The next prime is 110506005581. The reversal of 110506005561 is 165500605011.

It is an interprime number because it is at equal distance from previous prime (110506005541) and next prime (110506005581).

It is not a de Polignac number, because 110506005561 - 2⁶ = 110506005497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110506005541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13628566 + ... + 13636671.

It is an arithmetic number, because the mean of its divisors is an integer number (10578912344).

Almost surely, 2^110506005561 is an apocalyptic number.

It is an amenable number.

110506005561 is a deficient number, since it is larger than the sum of its proper divisors (58756591943).

110506005561 is a wasteful number, since it uses less digits than its factorization.

110506005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27265440.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 110506005561 in words is "one hundred ten billion, five hundred six million, five thousand, five hundred sixty-one".