1120543142345 has 32 divisors (see below), whose sum is σ = 1511066067840. Its totient is φ = 790621888000.

The previous prime is 1120543142273. The next prime is 1120543142353. The reversal of 1120543142345 is 5432413450211.

It is not a de Polignac number, because 1120543142345 - 2¹⁰ = 1120543141321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984386 + ... + 1791675.

It is an arithmetic number, because the mean of its divisors is an integer number (47220814620).

Almost surely, 2^{1120543142345} is an apocalyptic number.

It is an amenable number.

1120543142345 is a deficient number, since it is larger than the sum of its proper divisors (390522925495).

1120543142345 is a wasteful number, since it uses less digits than its factorization.

1120543142345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776297.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1120543142345 its reverse (5432413450211), we get a palindrome (6552956592556).

The spelling of 1120543142345 in words is "one trillion, one hundred twenty billion, five hundred forty-three million, one hundred forty-two thousand, three hundred forty-five".