2118758841 has 24 divisors (see below), whose sum is σ = 3264139944. Its totient is φ = 1319700480.

The previous prime is 2118758801. The next prime is 2118758843. The reversal of 2118758841 is 1488578112.

2118758841 is a `hidden beast` number, since 21 + 1 + 8 + 7 + 588 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1230957225 + 887801616 = 35085^2 + 29796^2 .

It is not a de Polignac number, because 2118758841 - 2⁶ = 2118758777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2118758843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29580 + ... + 71501.

It is an arithmetic number, because the mean of its divisors is an integer number (136005831).

Almost surely, 2^2118758841 is an apocalyptic number.

It is an amenable number.

2118758841 is a deficient number, since it is larger than the sum of its proper divisors (1145381103).

2118758841 is a wasteful number, since it uses less digits than its factorization.

2118758841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101241 (or 101238 counting only the distinct ones).

The product of its digits is 143360, while the sum is 45.

The square root of 2118758841 is about 46029.9776341462. The cubic root of 2118758841 is about 1284.3809118949.

The spelling of 2118758841 in words is "two billion, one hundred eighteen million, seven hundred fifty-eight thousand, eight hundred forty-one".