1123334556678 has 24 divisors (see below), whose sum is σ = 2577061630728. Its totient is φ = 352418684352.

The previous prime is 1123334556613. The next prime is 1123334556683. The reversal of 1123334556678 is 8766554333211.

1123334556678 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 3 + 3 + 4 + 5 + 566 + 78 = 666.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835513676 + ... + 1835514287.

It is an arithmetic number, because the mean of its divisors is an integer number (107377567947).

Almost surely, 2^{1123334556678} is an apocalyptic number.

1123334556678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1123334556678 is an abundant number, since it is smaller than the sum of its proper divisors (1453727074050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123334556678 is a wasteful number, since it uses less digits than its factorization.

1123334556678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671027988 (or 3671027985 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

Adding to 1123334556678 its reverse (8766554333211), we get a palindrome (9889888889889).

The spelling of 1123334556678 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-four million, five hundred fifty-six thousand, six hundred seventy-eight".