1120511616566 has 4 divisors (see below), whose sum is σ = 1680767424852. Its totient is φ = 560255808282.

The previous prime is 1120511616557. The next prime is 1120511616583. The reversal of 1120511616566 is 6656161150211.

It is a happy number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280127904140 + ... + 280127904143.

It is an arithmetic number, because the mean of its divisors is an integer number (420191856213).

Almost surely, 2^{1120511616566} is an apocalyptic number.

1120511616566 is a deficient number, since it is larger than the sum of its proper divisors (560255808286).

1120511616566 is an equidigital number, since it uses as much as digits as its factorization.

1120511616566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560255808285.

The product of its (nonzero) digits is 64800, while the sum is 41.

Adding to 1120511616566 its reverse (6656161150211), we get a palindrome (7776672766777).

The spelling of 1120511616566 in words is "one trillion, one hundred twenty billion, five hundred eleven million, six hundred sixteen thousand, five hundred sixty-six".