11110006778 has 16 divisors (see below), whose sum is σ = 18565795080. Its totient is φ = 4950878016.

The previous prime is 11110006777. The next prime is 11110006801. The reversal of 11110006778 is 87760001111.

It can be written as a sum of positive squares in 4 ways, for example, as 5777064049 + 5332942729 = 76007^2 + 73027^2 .

It is not an unprimeable number, because it can be changed into a prime (11110006777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7366625 + ... + 7368132.

Almost surely, 2^11110006778 is an apocalyptic number.

11110006778 is a deficient number, since it is larger than the sum of its proper divisors (7455788302).

11110006778 is a wasteful number, since it uses less digits than its factorization.

11110006778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14734801.

The product of its (nonzero) digits is 2352, while the sum is 32.

Adding to 11110006778 its reverse (87760001111), we get a palindrome (98870007889).

The spelling of 11110006778 in words is "eleven billion, one hundred ten million, six thousand, seven hundred seventy-eight".