11005166243 has 8 divisors (see below), whose sum is σ = 11039293440. Its totient is φ = 10971062280.

The previous prime is 11005166177. The next prime is 11005166261. The reversal of 11005166243 is 34266150011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11005166243 - 2⁸ = 11005165987 is a prime.

It is a super-2 number, since 2×11005166243² (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 (11005162243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588958 + ... + 1595868.

It is an arithmetic number, because the mean of its divisors is an integer number (1379911680).

Almost surely, 2^11005166243 is an apocalyptic number.

11005166243 is a deficient number, since it is larger than the sum of its proper divisors (34127197).

11005166243 is an equidigital number, since it uses as much as digits as its factorization.

11005166243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 11005166243 in words is "eleven billion, five million, one hundred sixty-six thousand, two hundred forty-three".