25502312055 has 32 divisors (see below), whose sum is σ = 44929168128. Its totient is φ = 12249190400.

The previous prime is 25502312027. The next prime is 25502312081. The reversal of 25502312055 is 55021320552.

It is not a de Polignac number, because 25502312055 - 2⁹ = 25502311543 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 704586 + ... + 739895.

It is an arithmetic number, because the mean of its divisors is an integer number (1404036504).

Almost surely, 2^25502312055 is an apocalyptic number.

25502312055 is a deficient number, since it is larger than the sum of its proper divisors (19426856073).

25502312055 is a wasteful number, since it uses less digits than its factorization.

25502312055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444607.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 25502312055 in words is "twenty-five billion, five hundred two million, three hundred twelve thousand, fifty-five".