25255280550278 has 16 divisors (see below), whose sum is σ = 38134235358720. Its totient is φ = 12543870669000.

The previous prime is 25255280550263. The next prime is 25255280550349. The reversal of 25255280550278 is 87205508255252.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 29129813 + ... + 29984271.

It is an arithmetic number, because the mean of its divisors is an integer number (2383389709920).

Almost surely, 2^{25255280550278} is an apocalyptic number.

25255280550278 is a deficient number, since it is larger than the sum of its proper divisors (12878954808442).

25255280550278 is a wasteful number, since it uses less digits than its factorization.

25255280550278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952483.

The product of its (nonzero) digits is 22400000, while the sum is 56.

The spelling of 25255280550278 in words is "twenty-five trillion, two hundred fifty-five billion, two hundred eighty million, five hundred fifty thousand, two hundred seventy-eight".