2118565050 has 48 divisors (see below), whose sum is σ = 6004621632. Its totient is φ = 484243200.

The previous prime is 2118565039. The next prime is 2118565051. The reversal of 2118565050 is 505658112.

It is not an unprimeable number, because it can be changed into a prime (2118565051) 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 23 ways as a sum of consecutive naturals, for example, 1007791 + ... + 1009890.

It is an arithmetic number, because the mean of its divisors is an integer number (125096284).

Almost surely, 2^2118565050 is an apocalyptic number.

2118565050 is an abundant number, since it is smaller than the sum of its proper divisors (3886056582).

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

2118565050 is a wasteful number, since it uses less digits than its factorization.

2118565050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017703 (or 2017698 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 2118565050 is about 46027.8725339332. The cubic root of 2118565050 is about 1284.3417523257.

The spelling of 2118565050 in words is "two billion, one hundred eighteen million, five hundred sixty-five thousand, fifty".