110661605059 has 4 divisors (see below), whose sum is σ = 115472979216. Its totient is φ = 105850230904.

The previous prime is 110661605027. The next prime is 110661605081. The reversal of 110661605059 is 950506166011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 950506166011 = 1093 ⋅869630527.

It is a cyclic number.

It is not a de Polignac number, because 110661605059 - 2⁵ = 110661605027 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110661605759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405687044 + ... + 2405687089.

It is an arithmetic number, because the mean of its divisors is an integer number (28868244804).

Almost surely, 2^110661605059 is an apocalyptic number.

110661605059 is a deficient number, since it is larger than the sum of its proper divisors (4811374157).

110661605059 is an equidigital number, since it uses as much as digits as its factorization.

110661605059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811374156.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 110661605059 in words is "one hundred ten billion, six hundred sixty-one million, six hundred five thousand, fifty-nine".