211114520143 has 4 divisors (see below), whose sum is σ = 211134777480. Its totient is φ = 211094262808.

The previous prime is 211114520137. The next prime is 211114520159. The reversal of 211114520143 is 341025411112.

It is a happy number.

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-211114520143 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 (211114520173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10113028 + ... + 10133881.

It is an arithmetic number, because the mean of its divisors is an integer number (52783694370).

Almost surely, 2^211114520143 is an apocalyptic number.

211114520143 is a deficient number, since it is larger than the sum of its proper divisors (20257337).

211114520143 is a wasteful number, since it uses less digits than its factorization.

211114520143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20257336.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 211114520143 its reverse (341025411112), we get a palindrome (552139931255).

The spelling of 211114520143 in words is "two hundred eleven billion, one hundred fourteen million, five hundred twenty thousand, one hundred forty-three".