1112161105582 has 4 divisors (see below), whose sum is σ = 1668241658376. Its totient is φ = 556080552790.

The previous prime is 1112161105567. The next prime is 1112161105591. The reversal of 1112161105582 is 2855011612111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278040276394 + ... + 278040276397.

It is an arithmetic number, because the mean of its divisors is an integer number (417060414594).

Almost surely, 2^{1112161105582} is an apocalyptic number.

1112161105582 is a deficient number, since it is larger than the sum of its proper divisors (556080552794).

1112161105582 is an equidigital number, since it uses as much as digits as its factorization.

1112161105582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556080552793.

The product of its (nonzero) digits is 4800, while the sum is 34.

Adding to 1112161105582 its reverse (2855011612111), we get a palindrome (3967172717693).

The spelling of 1112161105582 in words is "one trillion, one hundred twelve billion, one hundred sixty-one million, one hundred five thousand, five hundred eighty-two".