50118133500 has 864 divisors, whose sum is σ = 186954505920. Its totient is φ = 11225088000.

The previous prime is 50118133477. The next prime is 50118133501. The reversal of 50118133500 is 533181105.

50118133500 is a `hidden beast` number, since 50 + 1 + 1 + 81 + 33 + 500 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50118133501) 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 287 ways as a sum of consecutive naturals, for example, 1222393480 + ... + 1222393520.

It is an arithmetic number, because the mean of its divisors is an integer number (216382530).

Almost surely, 2^50118133500 is an apocalyptic number.

50118133500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50118133500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93477252960).

50118133500 is an abundant number, since it is smaller than the sum of its proper divisors (136836372420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50118133500 is a wasteful number, since it uses less digits than its factorization.

50118133500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 50118133500 in words is "fifty billion, one hundred eighteen million, one hundred thirty-three thousand, five hundred".