11234566666678 has 4 divisors (see below), whose sum is σ = 16851850000020. Its totient is φ = 5617283333338.

The previous prime is 11234566666667. The next prime is 11234566666787. The reversal of 11234566666678 is 87666666543211.

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

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808641666668 + ... + 2808641666671.

It is an arithmetic number, because the mean of its divisors is an integer number (4212962500005).

Almost surely, 2^{11234566666678} is an apocalyptic number.

11234566666678 is a deficient number, since it is larger than the sum of its proper divisors (5617283333342).

11234566666678 is an equidigital number, since it uses as much as digits as its factorization.

11234566666678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617283333341.

The product of its digits is 313528320, while the sum is 67.

The spelling of 11234566666678 in words is "eleven trillion, two hundred thirty-four billion, five hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-eight".