25928236158 has 32 divisors (see below), whose sum is σ = 56585941632. Its totient is φ = 7854924000.

The previous prime is 25928236129. The next prime is 25928236163. The reversal of 25928236158 is 85163282952.

It is a self number, because there is not a number n which added to its sum of digits gives 25928236158.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 203160 + ... + 305172.

It is an arithmetic number, because the mean of its divisors is an integer number (1768310676).

Almost surely, 2^25928236158 is an apocalyptic number.

25928236158 is an abundant number, since it is smaller than the sum of its proper divisors (30657705474).

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

25928236158 is a wasteful number, since it uses less digits than its factorization.

25928236158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105880.

The product of its digits is 2073600, while the sum is 51.

The spelling of 25928236158 in words is "twenty-five billion, nine hundred twenty-eight million, two hundred thirty-six thousand, one hundred fifty-eight".