6478331117925 has 12 divisors (see below), whose sum is σ = 10710840781760. Its totient is φ = 3455109929520.

The previous prime is 6478331117827. The next prime is 6478331117953. The reversal of 6478331117925 is 5297111338746.

It is not a de Polignac number, because 6478331117925 - 2³⁵ = 6443971379557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43188874045 + ... + 43188874194.

Almost surely, 2^{6478331117925} is an apocalyptic number.

It is an amenable number.

6478331117925 is a deficient number, since it is larger than the sum of its proper divisors (4232509663835).

6478331117925 is a wasteful number, since it uses less digits than its factorization.

6478331117925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86377748252 (or 86377748247 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The spelling of 6478331117925 in words is "six trillion, four hundred seventy-eight billion, three hundred thirty-one million, one hundred seventeen thousand, nine hundred twenty-five".