110505101105605 has 4 divisors (see below), whose sum is σ = 132606121326732. Its totient is φ = 88404080884480.

The previous prime is 110505101105593. The next prime is 110505101105611. The reversal of 110505101105605 is 506501101505011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37059275542689 + 73445825562916 = 6087633^2 + 8570054^2 .

It is not a de Polignac number, because 110505101105605 - 2³⁹ = 109955345291717 is a prime.

It is a super-2 number, since 2×110505101105605² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050510110556 + ... + 11050510110565.

It is an arithmetic number, because the mean of its divisors is an integer number (33151530331683).

Almost surely, 2^{110505101105605} is an apocalyptic number.

It is an amenable number.

110505101105605 is a deficient number, since it is larger than the sum of its proper divisors (22101020221127).

110505101105605 is an equidigital number, since it uses as much as digits as its factorization.

110505101105605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22101020221126.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 110505101105605 in words is "one hundred ten trillion, five hundred five billion, one hundred one million, one hundred five thousand, six hundred five".