4405121223025 has 48 divisors (see below), whose sum is σ = 5862425030784. Its totient is φ = 3271754132480.

The previous prime is 4405121222951. The next prime is 4405121223067. The reversal of 4405121223025 is 5203221215044.

It is a happy number.

It is not a de Polignac number, because 4405121223025 - 2²³ = 4405112834417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 22726419 + ... + 22919431.

It is an arithmetic number, because the mean of its divisors is an integer number (122133854808).

Almost surely, 2^{4405121223025} is an apocalyptic number.

It is an amenable number.

4405121223025 is a deficient number, since it is larger than the sum of its proper divisors (1457303807759).

4405121223025 is a wasteful number, since it uses less digits than its factorization.

4405121223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193770 (or 193765 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 4405121223025 its reverse (5203221215044), we get a palindrome (9608342438069).

The spelling of 4405121223025 in words is "four trillion, four hundred five billion, one hundred twenty-one million, two hundred twenty-three thousand, twenty-five".