25282780055 has 16 divisors (see below), whose sum is σ = 32996636064. Its totient is φ = 18485500800.

The previous prime is 25282780007. The next prime is 25282780073. The reversal of 25282780055 is 55008728252.

It is not a de Polignac number, because 25282780055 - 2¹⁰ = 25282779031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25282779988 and 25282780015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919009 + ... + 1932138.

It is an arithmetic number, because the mean of its divisors is an integer number (2062289754).

Almost surely, 2^25282780055 is an apocalyptic number.

25282780055 is a deficient number, since it is larger than the sum of its proper divisors (7713856009).

25282780055 is a wasteful number, since it uses less digits than its factorization.

25282780055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851266.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 25282780055 in words is "twenty-five billion, two hundred eighty-two million, seven hundred eighty thousand, fifty-five".