11633311066 has 8 divisors (see below), whose sum is σ = 18792271764. Its totient is φ = 5369220480.

The previous prime is 11633311033. The next prime is 11633311091. The reversal of 11633311066 is 66011333611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11124131841 + 509179225 = 105471^2 + 22565^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223717495 + ... + 223717546.

Almost surely, 2^11633311066 is an apocalyptic number.

11633311066 is a deficient number, since it is larger than the sum of its proper divisors (7158960698).

11633311066 is a wasteful number, since it uses less digits than its factorization.

11633311066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447435056.

The product of its (nonzero) digits is 5832, while the sum is 31.

Adding to 11633311066 its reverse (66011333611), we get a palindrome (77644644677).

The spelling of 11633311066 in words is "eleven billion, six hundred thirty-three million, three hundred eleven thousand, sixty-six".