25577056005 has 16 divisors (see below), whose sum is σ = 40926269184. Its totient is φ = 13640103360.

The previous prime is 25577055991. The next prime is 25577056033. The reversal of 25577056005 is 50065077552.

It is not a de Polignac number, because 25577056005 - 2¹² = 25577051909 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181695 + ... + 290115.

It is an arithmetic number, because the mean of its divisors is an integer number (2557891824).

Almost surely, 2^25577056005 is an apocalyptic number.

It is an amenable number.

25577056005 is a deficient number, since it is larger than the sum of its proper divisors (15349213179).

25577056005 is a wasteful number, since it uses less digits than its factorization.

25577056005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124156.

The product of its (nonzero) digits is 367500, while the sum is 42.

The spelling of 25577056005 in words is "twenty-five billion, five hundred seventy-seven million, fifty-six thousand, five".