25277505505255 has 4 divisors (see below), whose sum is σ = 30333006606312. Its totient is φ = 20222004404200.

The previous prime is 25277505505249. The next prime is 25277505505289. The reversal of 25277505505255 is 55250550577252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25277505505255 - 2²⁷ = 25277371287527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25277505505196 and 25277505505205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527750550521 + ... + 2527750550530.

It is an arithmetic number, because the mean of its divisors is an integer number (7583251651578).

Almost surely, 2^{25277505505255} is an apocalyptic number.

25277505505255 is a deficient number, since it is larger than the sum of its proper divisors (5055501101057).

25277505505255 is an equidigital number, since it uses as much as digits as its factorization.

25277505505255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055501101056.

The product of its (nonzero) digits is 30625000, while the sum is 55.

The spelling of 25277505505255 in words is "twenty-five trillion, two hundred seventy-seven billion, five hundred five million, five hundred five thousand, two hundred fifty-five".