11130005666 has 8 divisors (see below), whose sum is σ = 17979239964. Its totient is φ = 5136925680.

The previous prime is 11130005603. The next prime is 11130005681. The reversal of 11130005666 is 66650003111.

It can be written as a sum of positive squares in 2 ways, for example, as 8339525041 + 2790480625 = 91321^2 + 52825^2 .

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

It is a super-2 number, since 2×11130005666² (a number of 21 digits) contains 22 as substring.

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, 214038545 + ... + 214038596.

Almost surely, 2^11130005666 is an apocalyptic number.

11130005666 is a deficient number, since it is larger than the sum of its proper divisors (6849234298).

11130005666 is a wasteful number, since it uses less digits than its factorization.

11130005666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428077156.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 11130005666 its reverse (66650003111), we get a palindrome (77780008777).

The spelling of 11130005666 in words is "eleven billion, one hundred thirty million, five thousand, six hundred sixty-six".