1116111343 has 4 divisors (see below), whose sum is σ = 1116966600. Its totient is φ = 1115256088.

The previous prime is 1116111331. The next prime is 1116111349. The reversal of 1116111343 is 3431116111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1116111343 - 2²¹ = 1114014191 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 (1116111349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425668 + ... + 428281.

It is an arithmetic number, because the mean of its divisors is an integer number (279241650).

Almost surely, 2^1116111343 is an apocalyptic number.

1116111343 is a deficient number, since it is larger than the sum of its proper divisors (855257).

1116111343 is an equidigital number, since it uses as much as digits as its factorization.

1116111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855256.

The product of its digits is 216, while the sum is 22.

The square root of 1116111343 is about 33408.2526181780. The cubic root of 1116111343 is about 1037.2955321264.

Adding to 1116111343 its reverse (3431116111), we get a palindrome (4547227454).

The spelling of 1116111343 in words is "one billion, one hundred sixteen million, one hundred eleven thousand, three hundred forty-three".