11229911166611 has 4 divisors (see below), whose sum is σ = 11234900023224. Its totient is φ = 11224922310000.

The previous prime is 11229911166569. The next prime is 11229911166623. The reversal of 11229911166611 is 11666111992211.

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 11229911166611 - 2¹⁰ = 11229911165587 is a prime.

It is a super-2 number, since 2×11229911166611² (a number of 27 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 11229911166611 parts by 4739179 straight cuts.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11229911166511) 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, 2494424930 + ... + 2494429431.

It is an arithmetic number, because the mean of its divisors is an integer number (2808725005806).

Almost surely, 2^{11229911166611} is an apocalyptic number.

11229911166611 is a deficient number, since it is larger than the sum of its proper divisors (4988856613).

11229911166611 is an equidigital number, since it uses as much as digits as its factorization.

11229911166611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988856612.

The product of its digits is 69984, while the sum is 47.

The spelling of 11229911166611 in words is "eleven trillion, two hundred twenty-nine billion, nine hundred eleven million, one hundred sixty-six thousand, six hundred eleven".