1116564878582 has 4 divisors (see below), whose sum is σ = 1674847317876. Its totient is φ = 558282439290.

The previous prime is 1116564878581. The next prime is 1116564878591. The reversal of 1116564878582 is 2858784656111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116564878581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279141219644 + ... + 279141219647.

It is an arithmetic number, because the mean of its divisors is an integer number (418711829469).

Almost surely, 2^{1116564878582} is an apocalyptic number.

1116564878582 is a deficient number, since it is larger than the sum of its proper divisors (558282439294).

1116564878582 is an equidigital number, since it uses as much as digits as its factorization.

1116564878582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558282439293.

The product of its digits is 25804800, while the sum is 62.

The spelling of 1116564878582 in words is "one trillion, one hundred sixteen billion, five hundred sixty-four million, eight hundred seventy-eight thousand, five hundred eighty-two".