4405121214225 has 48 divisors (see below), whose sum is σ = 7535037518400. Its totient is φ = 2268155070720.

The previous prime is 4405121214223. The next prime is 4405121214269. The reversal of 4405121214225 is 5224121215044.

It is not a de Polignac number, because 4405121214225 - 2¹ = 4405121214223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4405121214223) 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 47 ways as a sum of consecutive naturals, for example, 22585974 + ... + 22780176.

It is an arithmetic number, because the mean of its divisors is an integer number (156979948300).

Almost surely, 2^{4405121214225} is an apocalyptic number.

It is an amenable number.

4405121214225 is a deficient number, since it is larger than the sum of its proper divisors (3129916304175).

4405121214225 is a wasteful number, since it uses less digits than its factorization.

4405121214225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204674 (or 204669 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 4405121214225 its reverse (5224121215044), we get a palindrome (9629242429269).

The spelling of 4405121214225 in words is "four trillion, four hundred five billion, one hundred twenty-one million, two hundred fourteen thousand, two hundred twenty-five".