4205522113025 has 12 divisors (see below), whose sum is σ = 5214991544700. Its totient is φ = 3364324706880.

The previous prime is 4205522113021. The next prime is 4205522113049. The reversal of 4205522113025 is 5203112255024.

It can be written as a sum of positive squares in 6 ways, for example, as 78420161296 + 4127101951729 = 280036^2 + 2031527^2 .

It is not a de Polignac number, because 4205522113025 - 2² = 4205522113021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4205522112982 and 4205522113000.

It is not an unprimeable number, because it can be changed into a prime (4205522113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394630 + ... + 3218079.

It is an arithmetic number, because the mean of its divisors is an integer number (434582628725).

Almost surely, 2^{4205522113025} is an apocalyptic number.

It is an amenable number.

4205522113025 is a deficient number, since it is larger than the sum of its proper divisors (1009469431675).

4205522113025 is a wasteful number, since it uses less digits than its factorization.

4205522113025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649188 (or 4649183 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 4205522113025 its reverse (5203112255024), we get a palindrome (9408634368049).

The spelling of 4205522113025 in words is "four trillion, two hundred five billion, five hundred twenty-two million, one hundred thirteen thousand, twenty-five".