5188125686 has 8 divisors (see below), whose sum is σ = 8120544624. Its totient is φ = 2481277480.

The previous prime is 5188125667. The next prime is 5188125689. The reversal of 5188125686 is 6865218815.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188125689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56392625 + ... + 56392716.

It is an arithmetic number, because the mean of its divisors is an integer number (1015068078).

Almost surely, 2^5188125686 is an apocalyptic number.

5188125686 is a deficient number, since it is larger than the sum of its proper divisors (2932418938).

5188125686 is a wasteful number, since it uses less digits than its factorization.

5188125686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112785366.

The product of its digits is 921600, while the sum is 50.

The square root of 5188125686 is about 72028.6448990955. The cubic root of 5188125686 is about 1731.1584883080.

The spelling of 5188125686 in words is "five billion, one hundred eighty-eight million, one hundred twenty-five thousand, six hundred eighty-six".