105203245205 has 16 divisors (see below), whose sum is σ = 126553212864. Its totient is φ = 83956498560.

The previous prime is 105203245153. The next prime is 105203245229. The reversal of 105203245205 is 502542302501.

It is not a de Polignac number, because 105203245205 - 2⁶ = 105203245141 is a prime.

It is a super-2 number, since 2×105203245205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 12069929 + ... + 12078641.

It is an arithmetic number, because the mean of its divisors is an integer number (7909575804).

Almost surely, 2^105203245205 is an apocalyptic number.

It is an amenable number.

105203245205 is a deficient number, since it is larger than the sum of its proper divisors (21349967659).

105203245205 is an equidigital number, since it uses as much as digits as its factorization.

105203245205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14356.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 105203245205 its reverse (502542302501), we get a palindrome (607745547706).

The spelling of 105203245205 in words is "one hundred five billion, two hundred three million, two hundred forty-five thousand, two hundred five".