11666011 has 16 divisors (see below), whose sum is σ = 13870080. Its totient is φ = 9604800.

The previous prime is 11665963. The next prime is 11666021. The reversal of 11666011 is 11066611.

It is a cyclic number.

It is not a de Polignac number, because 11666011 - 2¹⁹ = 11141723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11666021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19111 + ... + 19711.

It is an arithmetic number, because the mean of its divisors is an integer number (866880).

Almost surely, 2^11666011 is an apocalyptic number.

11666011 is a deficient number, since it is larger than the sum of its proper divisors (2204069).

11666011 is an equidigital number, since it uses as much as digits as its factorization.

11666011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11666011 is about 3415.5542741991. The cubic root of 11666011 is about 226.7988216747.

The spelling of 11666011 in words is "eleven million, six hundred sixty-six thousand, eleven".