211335320005 has 4 divisors (see below), whose sum is σ = 253602384012. Its totient is φ = 169068256000.

The previous prime is 211335319999. The next prime is 211335320017. The reversal of 211335320005 is 500023533112.

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 143051881284 + 68283438721 = 378222^2 + 261311^2 .

It is not a de Polignac number, because 211335320005 - 2⁹ = 211335319493 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, 21133531996 + ... + 21133532005.

It is an arithmetic number, because the mean of its divisors is an integer number (63400596003).

Almost surely, 2^211335320005 is an apocalyptic number.

It is an amenable number.

211335320005 is a deficient number, since it is larger than the sum of its proper divisors (42267064007).

211335320005 is an equidigital number, since it uses as much as digits as its factorization.

211335320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267064006.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 211335320005 its reverse (500023533112), we get a palindrome (711358853117).

The spelling of 211335320005 in words is "two hundred eleven billion, three hundred thirty-five million, three hundred twenty thousand, five".