425444055121 has 32 divisors (see below), whose sum is σ = 438980256000. Its totient is φ = 412222245120.

The previous prime is 425444055103. The next prime is 425444055241. The reversal of 425444055121 is 121550444524.

It is a cyclic number.

It is not a de Polignac number, because 425444055121 - 2⁵ = 425444055089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425444055821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329545486 + ... + 329546776.

It is an arithmetic number, because the mean of its divisors is an integer number (13718133000).

Almost surely, 2^425444055121 is an apocalyptic number.

It is an amenable number.

425444055121 is a deficient number, since it is larger than the sum of its proper divisors (13536200879).

425444055121 is a wasteful number, since it uses less digits than its factorization.

425444055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 425444055121 its reverse (121550444524), we get a palindrome (546994499645).

The spelling of 425444055121 in words is "four hundred twenty-five billion, four hundred forty-four million, fifty-five thousand, one hundred twenty-one".