1115343221143 has 8 divisors (see below), whose sum is σ = 1174210324400. Its totient is φ = 1056492600768.

The previous prime is 1115343221137. The next prime is 1115343221207. The reversal of 1115343221143 is 3411223435111.

It is a happy number.

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-1115343221143 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 (1115343221843) 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, 3981696 + ... + 4252597.

It is an arithmetic number, because the mean of its divisors is an integer number (146776290550).

Almost surely, 2^{1115343221143} is an apocalyptic number.

1115343221143 is a deficient number, since it is larger than the sum of its proper divisors (58867103257).

1115343221143 is an equidigital number, since it uses as much as digits as its factorization.

1115343221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241441.

The product of its digits is 8640, while the sum is 31.

Adding to 1115343221143 its reverse (3411223435111), we get a palindrome (4526566656254).

The spelling of 1115343221143 in words is "one trillion, one hundred fifteen billion, three hundred forty-three million, two hundred twenty-one thousand, one hundred forty-three".