105304421225 has 6 divisors (see below), whose sum is σ = 130577482350. Its totient is φ = 84243536960.

The previous prime is 105304421179. The next prime is 105304421227. The reversal of 105304421225 is 522124403501.

It can be written as a sum of positive squares in 3 ways, for example, as 954748201 + 104349673024 = 30899^2 + 323032^2 .

It is not a de Polignac number, because 105304421225 - 2²⁶ = 105237312361 is a prime.

It is a super-2 number, since 2×105304421225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105304421227) 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 5 ways as a sum of consecutive naturals, for example, 2106088400 + ... + 2106088449.

It is an arithmetic number, because the mean of its divisors is an integer number (21762913725).

Almost surely, 2^105304421225 is an apocalyptic number.

It is an amenable number.

105304421225 is a deficient number, since it is larger than the sum of its proper divisors (25273061125).

105304421225 is an equidigital number, since it uses as much as digits as its factorization.

105304421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212176859 (or 4212176854 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 105304421225 its reverse (522124403501), we get a palindrome (627428824726).

The spelling of 105304421225 in words is "one hundred five billion, three hundred four million, four hundred twenty-one thousand, two hundred twenty-five".