211146005 has 8 divisors (see below), whose sum is σ = 289571712. Its totient is φ = 144785808.

The previous prime is 211145959. The next prime is 211146007. The reversal of 211146005 is 500641112.

211146005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211146005 - 2¹⁶ = 211080469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211146007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3016337 + ... + 3016406.

It is an arithmetic number, because the mean of its divisors is an integer number (36196464).

Almost surely, 2^211146005 is an apocalyptic number.

It is an amenable number.

211146005 is a deficient number, since it is larger than the sum of its proper divisors (78425707).

211146005 is an equidigital number, since it uses as much as digits as its factorization.

211146005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032755.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 211146005 is about 14530.8638765904. The cubic root of 211146005 is about 595.4714668208.

Adding to 211146005 its reverse (500641112), we get a palindrome (711787117).

The spelling of 211146005 in words is "two hundred eleven million, one hundred forty-six thousand, five".