1168030281211 has 4 divisors (see below), whose sum is σ = 1170817943400. Its totient is φ = 1165242619024.

The previous prime is 1168030281181. The next prime is 1168030281289. The reversal of 1168030281211 is 1121820308611.

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 1168030281211 - 2¹⁹ = 1168029756923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168030281811) 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, 1393830466 + ... + 1393831303.

It is an arithmetic number, because the mean of its divisors is an integer number (292704485850).

Almost surely, 2^{1168030281211} is an apocalyptic number.

1168030281211 is a deficient number, since it is larger than the sum of its proper divisors (2787662189).

1168030281211 is an equidigital number, since it uses as much as digits as its factorization.

1168030281211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787662188.

The product of its (nonzero) digits is 4608, while the sum is 34.

Adding to 1168030281211 its reverse (1121820308611), we get a palindrome (2289850589822).

The spelling of 1168030281211 in words is "one trillion, one hundred sixty-eight billion, thirty million, two hundred eighty-one thousand, two hundred eleven".