1112213543 has 16 divisors (see below), whose sum is σ = 1306018560. Its totient is φ = 927472896.

The previous prime is 1112213537. The next prime is 1112213551. The reversal of 1112213543 is 3453122111.

It is not a de Polignac number, because 1112213543 - 2⁴ = 1112213527 is a prime.

It is a super-2 number, since 2×1112213543² = 2474037930465225698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26180 + ... + 53942.

It is an arithmetic number, because the mean of its divisors is an integer number (81626160).

Almost surely, 2^1112213543 is an apocalyptic number.

1112213543 is a deficient number, since it is larger than the sum of its proper divisors (193805017).

1112213543 is an equidigital number, since it uses as much as digits as its factorization.

1112213543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27926.

The product of its digits is 720, while the sum is 23.

The square root of 1112213543 is about 33349.8657118736. The cubic root of 1112213543 is about 1036.0866066420.

Adding to 1112213543 its reverse (3453122111), we get a palindrome (4565335654).

The spelling of 1112213543 in words is "one billion, one hundred twelve million, two hundred thirteen thousand, five hundred forty-three".