2111340005 has 4 divisors (see below), whose sum is σ = 2533608012. Its totient is φ = 1689072000.

The previous prime is 2111339999. The next prime is 2111340019. The reversal of 2111340005 is 5000431112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 340697764 + 1770642241 = 18458^2 + 42079^2 .

It is not a de Polignac number, because 2111340005 - 2⁶ = 2111339941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211133996 + ... + 211134005.

It is an arithmetic number, because the mean of its divisors is an integer number (633402003).

Almost surely, 2^2111340005 is an apocalyptic number.

It is an amenable number.

2111340005 is a deficient number, since it is larger than the sum of its proper divisors (422268007).

2111340005 is an equidigital number, since it uses as much as digits as its factorization.

2111340005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422268006.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2111340005 is about 45949.3199623237. The cubic root of 2111340005 is about 1282.8800718233.

Adding to 2111340005 its reverse (5000431112), we get a palindrome (7111771117).

The spelling of 2111340005 in words is "two billion, one hundred eleven million, three hundred forty thousand, five".