1311101166163 has 8 divisors (see below), whose sum is σ = 1320044464928. Its totient is φ = 1302180033024.

The previous prime is 1311101166149. The next prime is 1311101166173. The reversal of 1311101166163 is 3616611011131.

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 1311101166163 - 2²⁵ = 1311067611731 is a prime.

It is a super-2 number, since 2×1311101166163² (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 (1311101166173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5422695 + ... + 5659312.

It is an arithmetic number, because the mean of its divisors is an integer number (165005558116).

Almost surely, 2^{1311101166163} is an apocalyptic number.

1311101166163 is a deficient number, since it is larger than the sum of its proper divisors (8943298765).

1311101166163 is a wasteful number, since it uses less digits than its factorization.

1311101166163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082813.

The product of its (nonzero) digits is 1944, while the sum is 31.

Adding to 1311101166163 its reverse (3616611011131), we get a palindrome (4927712177294).

The spelling of 1311101166163 in words is "one trillion, three hundred eleven billion, one hundred one million, one hundred sixty-six thousand, one hundred sixty-three".