101105505005 has 4 divisors (see below), whose sum is σ = 121326606012. Its totient is φ = 80884404000.

The previous prime is 101105504989. The next prime is 101105505041. The reversal of 101105505005 is 500505501101.

It is a happy number.

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 66906030244 + 34199474761 = 258662^2 + 184931^2 .

It is not a de Polignac number, because 101105505005 - 2⁴ = 101105504989 is a prime.

It is a Duffinian number.

It is a Curzon 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, 10110550496 + ... + 10110550505.

It is an arithmetic number, because the mean of its divisors is an integer number (30331651503).

Almost surely, 2^101105505005 is an apocalyptic number.

It is an amenable number.

101105505005 is a deficient number, since it is larger than the sum of its proper divisors (20221101007).

101105505005 is an equidigital number, since it uses as much as digits as its factorization.

101105505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221101006.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 101105505005 in words is "one hundred one billion, one hundred five million, five hundred five thousand, five".