11282778266 has 8 divisors (see below), whose sum is σ = 16925563380. Its totient is φ = 5640923808.

The previous prime is 11282778257. The next prime is 11282778281. The reversal of 11282778266 is 66287728211.

It can be written as a sum of positive squares in 2 ways, for example, as 8923636225 + 2359142041 = 94465^2 + 48571^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201521 + ... + 251348.

Almost surely, 2^11282778266 is an apocalyptic number.

11282778266 is a deficient number, since it is larger than the sum of its proper divisors (5642785114).

11282778266 is a wasteful number, since it uses less digits than its factorization.

11282778266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465328.

The product of its digits is 903168, while the sum is 50.

The spelling of 11282778266 in words is "eleven billion, two hundred eighty-two million, seven hundred seventy-eight thousand, two hundred sixty-six".