1111234566678 has 8 divisors (see below), whose sum is σ = 2222469133368. Its totient is φ = 370411522224.

The previous prime is 1111234566641. The next prime is 1111234566707. The reversal of 1111234566678 is 8766654321111.

It is a sphenic number, since it is the product of 3 distinct primes.

1111234566678 is an admirable number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111234566678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92602880551 + ... + 92602880562.

It is an arithmetic number, because the mean of its divisors is an integer number (277808641671).

Almost surely, 2^{1111234566678} is an apocalyptic number.

1111234566678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111234566678 is a wasteful number, since it uses less digits than its factorization.

1111234566678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185205761118.

The product of its digits is 1451520, while the sum is 51.

Adding to 1111234566678 its reverse (8766654321111), we get a palindrome (9877888887789).

The spelling of 1111234566678 in words is "one trillion, one hundred eleven billion, two hundred thirty-four million, five hundred sixty-six thousand, six hundred seventy-eight".