11772827266 has 4 divisors (see below), whose sum is σ = 17659240902. Its totient is φ = 5886413632.

The previous prime is 11772827239. The next prime is 11772827273. The reversal of 11772827266 is 66272827711.

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

It can be written as a sum of positive squares in only one way, i.e., 8432565241 + 3340262025 = 91829^2 + 57795^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2943206815 + ... + 2943206818.

Almost surely, 2^11772827266 is an apocalyptic number.

11772827266 is a deficient number, since it is larger than the sum of its proper divisors (5886413636).

11772827266 is an equidigital number, since it uses as much as digits as its factorization.

11772827266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886413635.

The product of its digits is 790272, while the sum is 49.

The spelling of 11772827266 in words is "eleven billion, seven hundred seventy-two million, eight hundred twenty-seven thousand, two hundred sixty-six".