25278028030255 has 32 divisors (see below), whose sum is σ = 40727675939328. Its totient is φ = 14545598544000.

The previous prime is 25278028030249. The next prime is 25278028030289. The reversal of 25278028030255 is 55203082087252.

It is not a de Polignac number, because 25278028030255 - 2¹⁵ = 25278027997487 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25278028030199 and 25278028030208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2525272521 + ... + 2525282530.

It is an arithmetic number, because the mean of its divisors is an integer number (1272739873104).

Almost surely, 2^{25278028030255} is an apocalyptic number.

25278028030255 is a deficient number, since it is larger than the sum of its proper divisors (15449647909073).

25278028030255 is a wasteful number, since it uses less digits than its factorization.

25278028030255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050555087.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 25278028030255 in words is "twenty-five trillion, two hundred seventy-eight billion, twenty-eight million, thirty thousand, two hundred fifty-five".