11066101243 has 4 divisors (see below), whose sum is σ = 11199427848. Its totient is φ = 10932774640.

The previous prime is 11066101223. The next prime is 11066101283. The reversal of 11066101243 is 34210166011.

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

It is a cyclic number.

It is not a de Polignac number, because 11066101243 - 2¹⁷ = 11065970171 is a prime.

It is a super-2 number, since 2×11066101243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11066101223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66663178 + ... + 66663343.

It is an arithmetic number, because the mean of its divisors is an integer number (2799856962).

Almost surely, 2^11066101243 is an apocalyptic number.

11066101243 is a deficient number, since it is larger than the sum of its proper divisors (133326605).

11066101243 is an equidigital number, since it uses as much as digits as its factorization.

11066101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133326604.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11066101243 its reverse (34210166011), we get a palindrome (45276267254).

The spelling of 11066101243 in words is "eleven billion, sixty-six million, one hundred one thousand, two hundred forty-three".