25665009094 has 16 divisors (see below), whose sum is σ = 39138695856. Its totient is φ = 12618885600.

The previous prime is 25665009001. The next prime is 25665009109. The reversal of 25665009094 is 49090056652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488764 + ... + 538720.

It is an arithmetic number, because the mean of its divisors is an integer number (2446168491).

Almost surely, 2^25665009094 is an apocalyptic number.

25665009094 is a deficient number, since it is larger than the sum of its proper divisors (13473686762).

25665009094 is a wasteful number, since it uses less digits than its factorization.

25665009094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54231.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 25665009094 in words is "twenty-five billion, six hundred sixty-five million, nine thousand, ninety-four".