2118501075 has 24 divisors (see below), whose sum is σ = 3503950336. Its totient is φ = 1129428000.

The previous prime is 2118501059. The next prime is 2118501079. The reversal of 2118501075 is 5701058112.

It is not a de Polignac number, because 2118501075 - 2⁴ = 2118501059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118501079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304890 + ... + 311760.

Almost surely, 2^2118501075 is an apocalyptic number.

2118501075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2118501075 is a deficient number, since it is larger than the sum of its proper divisors (1385449261).

2118501075 is a wasteful number, since it uses less digits than its factorization.

2118501075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995 (or 10990 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 2118501075 is about 46027.1775693448. The cubic root of 2118501075 is about 1284.3288243000.

Adding to 2118501075 its reverse (5701058112), we get a palindrome (7819559187).

The spelling of 2118501075 in words is "two billion, one hundred eighteen million, five hundred one thousand, seventy-five".