1116143255 has 4 divisors (see below), whose sum is σ = 1339371912. Its totient is φ = 892914600.

The previous prime is 1116143243. The next prime is 1116143257. The reversal of 1116143255 is 5523416111.

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

It is not a de Polignac number, because 1116143255 - 2²⁶ = 1049034391 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 (1116143257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111614321 + ... + 111614330.

It is an arithmetic number, because the mean of its divisors is an integer number (334842978).

Almost surely, 2^1116143255 is an apocalyptic number.

1116143255 is a deficient number, since it is larger than the sum of its proper divisors (223228657).

1116143255 is an equidigital number, since it uses as much as digits as its factorization.

1116143255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223228656.

The product of its digits is 3600, while the sum is 29.

The square root of 1116143255 is about 33408.7302213059. The cubic root of 1116143255 is about 1037.3054181949.

Adding to 1116143255 its reverse (5523416111), we get a palindrome (6639559366).

The spelling of 1116143255 in words is "one billion, one hundred sixteen million, one hundred forty-three thousand, two hundred fifty-five".