25055005005 has 48 divisors (see below), whose sum is σ = 44687522880. Its totient is φ = 12978814464.

The previous prime is 25055004973. The next prime is 25055005021. The reversal of 25055005005 is 50050055052.

It is a happy number.

It is not a de Polignac number, because 25055005005 - 2⁵ = 25055004973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25055005005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310197 + ... + 382533.

It is an arithmetic number, because the mean of its divisors is an integer number (930990060).

Almost surely, 2^25055005005 is an apocalyptic number.

It is an amenable number.

25055005005 is a deficient number, since it is larger than the sum of its proper divisors (19632517875).

25055005005 is a wasteful number, since it uses less digits than its factorization.

25055005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72570 (or 72567 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 25055005005 in words is "twenty-five billion, fifty-five million, five thousand, five".