112223455778 has 48 divisors (see below), whose sum is σ = 205764243840. Its totient is φ = 44882365440.

The previous prime is 112223455703. The next prime is 112223455793. The reversal of 112223455778 is 877554322211.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 437618 + ... + 644946.

It is an arithmetic number, because the mean of its divisors is an integer number (4286755080).

Almost surely, 2^112223455778 is an apocalyptic number.

112223455778 is a deficient number, since it is larger than the sum of its proper divisors (93540788062).

112223455778 is a wasteful number, since it uses less digits than its factorization.

112223455778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207443 (or 207402 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

Adding to 112223455778 its reverse (877554322211), we get a palindrome (989777777989).

The spelling of 112223455778 in words is "one hundred twelve billion, two hundred twenty-three million, four hundred fifty-five thousand, seven hundred seventy-eight".