6425585518425 has 24 divisors (see below), whose sum is σ = 10624244754816. Its totient is φ = 3426782159040.

The previous prime is 6425585518397. The next prime is 6425585518439. The reversal of 6425585518425 is 5248155855246.

It is not a de Polignac number, because 6425585518425 - 2¹⁰ = 6425585517401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140289 + ... + 3761838.

It is an arithmetic number, because the mean of its divisors is an integer number (442676864784).

Almost surely, 2^{6425585518425} is an apocalyptic number.

It is an amenable number.

6425585518425 is a deficient number, since it is larger than the sum of its proper divisors (4198659236391).

6425585518425 is a wasteful number, since it uses less digits than its factorization.

6425585518425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919617 (or 4919612 counting only the distinct ones).

The product of its digits is 76800000, while the sum is 60.

The spelling of 6425585518425 in words is "six trillion, four hundred twenty-five billion, five hundred eighty-five million, five hundred eighteen thousand, four hundred twenty-five".