11231313266 has 4 divisors (see below), whose sum is σ = 16846969902. Its totient is φ = 5615656632.

The previous prime is 11231313257. The next prime is 11231313283. The reversal of 11231313266 is 66231313211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66231313211 = 7 ⋅9461616173.

It can be written as a sum of positive squares in only one way, i.e., 9754525225 + 1476788041 = 98765^2 + 38429^2 .

It is a super-2 number, since 2×11231313266² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807828315 + ... + 2807828318.

Almost surely, 2^11231313266 is an apocalyptic number.

11231313266 is a deficient number, since it is larger than the sum of its proper divisors (5615656636).

11231313266 is an equidigital number, since it uses as much as digits as its factorization.

11231313266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615656635.

The product of its digits is 3888, while the sum is 29.

Adding to 11231313266 its reverse (66231313211), we get a palindrome (77462626477).

Subtracting 11231313266 from its reverse (66231313211), we obtain a palindrome (54999999945).

The spelling of 11231313266 in words is "eleven billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred sixty-six".