5991125136665 has 8 divisors (see below), whose sum is σ = 7204359248640. Its totient is φ = 4782894052912.

The previous prime is 5991125136643. The next prime is 5991125136677. The reversal of 5991125136665 is 5666315211995.

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 5991125136665 - 2²² = 5991120942361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250754419 + ... + 1250759208.

It is an arithmetic number, because the mean of its divisors is an integer number (900544906080).

Almost surely, 2^{5991125136665} is an apocalyptic number.

It is an amenable number.

5991125136665 is a deficient number, since it is larger than the sum of its proper divisors (1213234111975).

5991125136665 is a wasteful number, since it uses less digits than its factorization.

5991125136665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501514111.

The product of its digits is 13122000, while the sum is 59.

The spelling of 5991125136665 in words is "five trillion, nine hundred ninety-one billion, one hundred twenty-five million, one hundred thirty-six thousand, six hundred sixty-five".