25528282158 has 8 divisors (see below), whose sum is σ = 51056564328. Its totient is φ = 8509427384.

The previous prime is 25528282151. The next prime is 25528282187. The reversal of 25528282158 is 85128282552.

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

25528282158 is an admirable number.

It is a super-2 number, since 2×25528282158² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528282151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127356841 + ... + 2127356852.

It is an arithmetic number, because the mean of its divisors is an integer number (6382070541).

Almost surely, 2^25528282158 is an apocalyptic number.

25528282158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25528282158 is a wasteful number, since it uses less digits than its factorization.

25528282158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254713698.

The product of its digits is 1024000, while the sum is 48.

The spelling of 25528282158 in words is "twenty-five billion, five hundred twenty-eight million, two hundred eighty-two thousand, one hundred fifty-eight".