25365860085 has 32 divisors (see below), whose sum is σ = 41242355712. Its totient is φ = 13310256960.

The previous prime is 25365860083. The next prime is 25365860129. The reversal of 25365860085 is 58006856352.

It is not a de Polignac number, because 25365860085 - 2¹ = 25365860083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25365860083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494202 + ... + 543108.

It is an arithmetic number, because the mean of its divisors is an integer number (1288823616).

Almost surely, 2^25365860085 is an apocalyptic number.

It is an amenable number.

25365860085 is a deficient number, since it is larger than the sum of its proper divisors (15876495627).

25365860085 is a wasteful number, since it uses less digits than its factorization.

25365860085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49473.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 25365860085 in words is "twenty-five billion, three hundred sixty-five million, eight hundred sixty thousand, eighty-five".