2111411999 has 4 divisors (see below), whose sum is σ = 2114468280. Its totient is φ = 2108355720.

The previous prime is 2111411989. The next prime is 2111412047. The reversal of 2111411999 is 9991141112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111411999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111411989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527104 + ... + 1528485.

It is an arithmetic number, because the mean of its divisors is an integer number (528617070).

Almost surely, 2^2111411999 is an apocalyptic number.

2111411999 is a deficient number, since it is larger than the sum of its proper divisors (3056281).

2111411999 is an equidigital number, since it uses as much as digits as its factorization.

2111411999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056280.

The product of its digits is 5832, while the sum is 38.

The square root of 2111411999 is about 45950.1033622341. The cubic root of 2111411999 is about 1282.8946531820.

The spelling of 2111411999 in words is "two billion, one hundred eleven million, four hundred eleven thousand, nine hundred ninety-nine".