211006005243 has 48 divisors (see below), whose sum is σ = 330193248000. Its totient is φ = 119477413440.

The previous prime is 211006005233. The next prime is 211006005247. The reversal of 211006005243 is 342500600112.

It is not a de Polignac number, because 211006005243 - 2⁴ = 211006005227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211006005247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65133 + ... + 652881.

It is an arithmetic number, because the mean of its divisors is an integer number (6879026000).

Almost surely, 2^211006005243 is an apocalyptic number.

211006005243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211006005243 is a deficient number, since it is larger than the sum of its proper divisors (119187242757).

211006005243 is a wasteful number, since it uses less digits than its factorization.

211006005243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587840 (or 587829 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 211006005243 its reverse (342500600112), we get a palindrome (553506605355).

The spelling of 211006005243 in words is "two hundred eleven billion, six million, five thousand, two hundred forty-three".