50116211591 has 8 divisors (see below), whose sum is σ = 50453676768. Its totient is φ = 49778820000.

The previous prime is 50116211581. The next prime is 50116211617. The reversal of 50116211591 is 19511261105.

It is a happy number.

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 50116211591 - 2⁶ = 50116211527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50116211501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463401 + ... + 2483661.

It is an arithmetic number, because the mean of its divisors is an integer number (6306709596).

Almost surely, 2^50116211591 is an apocalyptic number.

50116211591 is a deficient number, since it is larger than the sum of its proper divisors (337465177).

50116211591 is a wasteful number, since it uses less digits than its factorization.

50116211591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36793.

The product of its (nonzero) digits is 2700, while the sum is 32.

Adding to 50116211591 its reverse (19511261105), we get a palindrome (69627472696).

The spelling of 50116211591 in words is "fifty billion, one hundred sixteen million, two hundred eleven thousand, five hundred ninety-one".