25889456036 has 12 divisors (see below), whose sum is σ = 46531049628. Its totient is φ = 12594870432.

The previous prime is 25889456023. The next prime is 25889456041. The reversal of 25889456036 is 63065498852.

It can be written as a sum of positive squares in 2 ways, for example, as 25163476900 + 725979136 = 158630^2 + 26944^2 .

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 3 ways as a sum of consecutive naturals, for example, 87464231 + ... + 87464526.

It is an arithmetic number, because the mean of its divisors is an integer number (3877587469).

Almost surely, 2^25889456036 is an apocalyptic number.

It is an amenable number.

25889456036 is a deficient number, since it is larger than the sum of its proper divisors (20641593592).

25889456036 is a wasteful number, since it uses less digits than its factorization.

25889456036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174928798 (or 174928796 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 25889456036 in words is "twenty-five billion, eight hundred eighty-nine million, four hundred fifty-six thousand, thirty-six".