10520205105 has 16 divisors (see below), whose sum is σ = 17375307264. Its totient is φ = 5429783040.

The previous prime is 10520205089. The next prime is 10520205181. The reversal of 10520205105 is 50150202501.

10520205105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10520205105 - 2⁴ = 10520205089 is a prime.

It is a super-2 number, since 2×10520205105² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11311584 + ... + 11312513.

It is an arithmetic number, because the mean of its divisors is an integer number (1085956704).

Almost surely, 2^10520205105 is an apocalyptic number.

10520205105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10520205105 is a deficient number, since it is larger than the sum of its proper divisors (6855102159).

10520205105 is a wasteful number, since it uses less digits than its factorization.

10520205105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22624136.

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 10520205105 its reverse (50150202501), we get a palindrome (60670407606).

The spelling of 10520205105 in words is "ten billion, five hundred twenty million, two hundred five thousand, one hundred five".