2118000188850 has 576 divisors, whose sum is σ = 6953911171200. Its totient is φ = 421683978240.

The previous prime is 2118000188849. The next prime is 2118000188957. The reversal of 2118000188850 is 588810008112.

It is a super-3 number, since 3×2118000188850³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 488353882 + ... + 488358218.

It is an arithmetic number, because the mean of its divisors is an integer number (12072762450).

Almost surely, 2^{2118000188850} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118000188850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476955585600).

2118000188850 is an abundant number, since it is smaller than the sum of its proper divisors (4835910982350).

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

2118000188850 is a wasteful number, since it uses less digits than its factorization.

2118000188850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 42.

The spelling of 2118000188850 in words is "two trillion, one hundred eighteen billion, one hundred eighty-eight thousand, eight hundred fifty".