25828751005 has 8 divisors (see below), whose sum is σ = 31001946552. Its totient is φ = 20658037248.

The previous prime is 25828750999. The next prime is 25828751021. The reversal of 25828751005 is 50015782852.

It can be written as a sum of positive squares in 4 ways, for example, as 17229712644 + 8599038361 = 131262^2 + 92731^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25828751005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597472 + ... + 639241.

It is an arithmetic number, because the mean of its divisors is an integer number (3875243319).

Almost surely, 2^25828751005 is an apocalyptic number.

It is an amenable number.

25828751005 is a deficient number, since it is larger than the sum of its proper divisors (5173195547).

25828751005 is a wasteful number, since it uses less digits than its factorization.

25828751005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240895.

The product of its (nonzero) digits is 224000, while the sum is 43.

The spelling of 25828751005 in words is "twenty-five billion, eight hundred twenty-eight million, seven hundred fifty-one thousand, five".