25505055005 has 16 divisors (see below), whose sum is σ = 31942045440. Its totient is φ = 19513684608.

The previous prime is 25505054989. The next prime is 25505055019. The reversal of 25505055005 is 50055050552.

It is a cyclic number.

It is not a de Polignac number, because 25505055005 - 2⁴ = 25505054989 is a prime.

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, 863969 + ... + 893001.

It is an arithmetic number, because the mean of its divisors is an integer number (1996377840).

Almost surely, 2^25505055005 is an apocalyptic number.

It is an amenable number.

25505055005 is a deficient number, since it is larger than the sum of its proper divisors (6436990435).

25505055005 is a wasteful number, since it uses less digits than its factorization.

25505055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36700.

The product of its (nonzero) digits is 31250, while the sum is 32.

The spelling of 25505055005 in words is "twenty-five billion, five hundred five million, fifty-five thousand, five".