2111345143 has 8 divisors (see below), whose sum is σ = 2163467376. Its totient is φ = 2059252800.

The previous prime is 2111345123. The next prime is 2111345167. The reversal of 2111345143 is 3415431112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111345143 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 (2111345123) 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, 218433 + ... + 227893.

It is an arithmetic number, because the mean of its divisors is an integer number (270433422).

Almost surely, 2^2111345143 is an apocalyptic number.

2111345143 is a deficient number, since it is larger than the sum of its proper divisors (52122233).

2111345143 is an equidigital number, since it uses as much as digits as its factorization.

2111345143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945.

The product of its digits is 1440, while the sum is 25.

The square root of 2111345143 is about 45949.3758717134. The cubic root of 2111345143 is about 1282.8811124629.

Adding to 2111345143 its reverse (3415431112), we get a palindrome (5526776255).

The spelling of 2111345143 in words is "two billion, one hundred eleven million, three hundred forty-five thousand, one hundred forty-three".