10105501205 has 4 divisors (see below), whose sum is σ = 12126601452. Its totient is φ = 8084400960.

The previous prime is 10105501201. The next prime is 10105501207. The reversal of 10105501205 is 50210550101.

It is a happy number.

10105501205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50210550101 = 22039 ⋅2278259.

It can be written as a sum of positive squares in 2 ways, for example, as 4374102769 + 5731398436 = 66137^2 + 75706^2 .

It is not a de Polignac number, because 10105501205 - 2² = 10105501201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105501201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010550116 + ... + 1010550125.

It is an arithmetic number, because the mean of its divisors is an integer number (3031650363).

Almost surely, 2^10105501205 is an apocalyptic number.

It is an amenable number.

10105501205 is a deficient number, since it is larger than the sum of its proper divisors (2021100247).

10105501205 is an equidigital number, since it uses as much as digits as its factorization.

10105501205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021100246.

The product of its (nonzero) digits is 250, while the sum is 20.

The spelling of 10105501205 in words is "ten billion, one hundred five million, five hundred one thousand, two hundred five".