125768000809 has 8 divisors (see below), whose sum is σ = 140909603328. Its totient is φ = 111244422960.

The previous prime is 125768000789. The next prime is 125768000837. The reversal of 125768000809 is 908000867521.

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

It is not a de Polignac number, because 125768000809 - 2⁷ = 125768000681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125768000209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154505737 + ... + 154506550.

It is an arithmetic number, because the mean of its divisors is an integer number (17613700416).

Almost surely, 2^125768000809 is an apocalyptic number.

It is an amenable number.

125768000809 is a deficient number, since it is larger than the sum of its proper divisors (15141602519).

125768000809 is a wasteful number, since it uses less digits than its factorization.

125768000809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309012335.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 125768000809 in words is "one hundred twenty-five billion, seven hundred sixty-eight million, eight hundred nine", and thus it is an aban number.