11052211778 has 8 divisors (see below), whose sum is σ = 16664216268. Its totient is φ = 5497473024.

The previous prime is 11052211747. The next prime is 11052211829. The reversal of 11052211778 is 87711225011.

It can be written as a sum of positive squares in 2 ways, for example, as 9911596249 + 1140615529 = 99557^2 + 33773^2 .

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

It is a Curzon 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, 14315951 + ... + 14316722.

Almost surely, 2^11052211778 is an apocalyptic number.

11052211778 is a deficient number, since it is larger than the sum of its proper divisors (5612004490).

11052211778 is a wasteful number, since it uses less digits than its factorization.

11052211778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632868.

The product of its (nonzero) digits is 7840, while the sum is 35.

Adding to 11052211778 its reverse (87711225011), we get a palindrome (98763436789).

The spelling of 11052211778 in words is "eleven billion, fifty-two million, two hundred eleven thousand, seven hundred seventy-eight".