25580341278 has 12 divisors (see below), whose sum is σ = 55424072808. Its totient is φ = 8526780420.

The previous prime is 25580341249. The next prime is 25580341279. The reversal of 25580341278 is 87214308552.

25580341278 is a `hidden beast` number, since 2 + 5 + 580 + 3 + 41 + 27 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25580341279) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 710565018 + ... + 710565053.

It is an arithmetic number, because the mean of its divisors is an integer number (4618672734).

Almost surely, 2^25580341278 is an apocalyptic number.

25580341278 is an abundant number, since it is smaller than the sum of its proper divisors (29843731530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25580341278 is a wasteful number, since it uses less digits than its factorization.

25580341278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421130079 (or 1421130076 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 25580341278 in words is "twenty-five billion, five hundred eighty million, three hundred forty-one thousand, two hundred seventy-eight".