25628163806085 has 8 divisors (see below), whose sum is σ = 41005062089760. Its totient is φ = 13668354029904.

The previous prime is 25628163806083. The next prime is 25628163806099. The reversal of 25628163806085 is 58060836182652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25628163806085 - 2¹ = 25628163806083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628163806083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854272126855 + ... + 854272126884.

It is an arithmetic number, because the mean of its divisors is an integer number (5125632761220).

Almost surely, 2^{25628163806085} is an apocalyptic number.

It is an amenable number.

25628163806085 is a deficient number, since it is larger than the sum of its proper divisors (15376898283675).

25628163806085 is a wasteful number, since it uses less digits than its factorization.

25628163806085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708544253747.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 25628163806085 in words is "twenty-five trillion, six hundred twenty-eight billion, one hundred sixty-three million, eight hundred six thousand, eighty-five".