25868808001 has 8 divisors (see below), whose sum is σ = 27069249384. Its totient is φ = 24694750080.

The previous prime is 25868807981. The next prime is 25868808019. The reversal of 25868808001 is 10080886852.

It can be written as a sum of positive squares in 4 ways, for example, as 12918595600 + 12950212401 = 113660^2 + 113799^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25868808001 - 2¹³ = 25868799809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25868808701) by changing a digit.

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, 6593860 + ... + 6597781.

It is an arithmetic number, because the mean of its divisors is an integer number (3383656173).

Almost surely, 2^25868808001 is an apocalyptic number.

It is an amenable number.

25868808001 is a deficient number, since it is larger than the sum of its proper divisors (1200441383).

25868808001 is a wasteful number, since it uses less digits than its factorization.

25868808001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13191731.

The product of its (nonzero) digits is 245760, while the sum is 46.

The spelling of 25868808001 in words is "twenty-five billion, eight hundred sixty-eight million, eight hundred eight thousand, one".