1166516727211 has 8 divisors (see below), whose sum is σ = 1272708763200. Its totient is φ = 1060348868040.

The previous prime is 1166516727203. The next prime is 1166516727217. The reversal of 1166516727211 is 1127276156611.

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

It is not a de Polignac number, because 1166516727211 - 2³ = 1166516727203 is a prime.

It is a super-2 number, since 2×1166516727211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166516727217) 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, 5943241 + ... + 6136378.

It is an arithmetic number, because the mean of its divisors is an integer number (159088595400).

Almost surely, 2^{1166516727211} is an apocalyptic number.

1166516727211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1166516727211 is a deficient number, since it is larger than the sum of its proper divisors (106192035989).

1166516727211 is a wasteful number, since it uses less digits than its factorization.

1166516727211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088409.

The product of its digits is 211680, while the sum is 46.

The spelling of 1166516727211 in words is "one trillion, one hundred sixty-six billion, five hundred sixteen million, seven hundred twenty-seven thousand, two hundred eleven".