2118685411 has 16 divisors (see below), whose sum is σ = 2261219328. Its totient is φ = 1980484000.

The previous prime is 2118685397. The next prime is 2118685423. The reversal of 2118685411 is 1145868112.

It is not a de Polignac number, because 2118685411 - 2⁹ = 2118684899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118685711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113561 + ... + 1115461.

It is an arithmetic number, because the mean of its divisors is an integer number (141326208).

Almost surely, 2^2118685411 is an apocalyptic number.

2118685411 is a deficient number, since it is larger than the sum of its proper divisors (142533917).

2118685411 is a wasteful number, since it uses less digits than its factorization.

2118685411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its digits is 15360, while the sum is 37.

The square root of 2118685411 is about 46029.1799948685. The cubic root of 2118685411 is about 1284.3660740918.

The spelling of 2118685411 in words is "two billion, one hundred eighteen million, six hundred eighty-five thousand, four hundred eleven".