1161134311611 has 8 divisors (see below), whose sum is σ = 1548189115920. Its totient is φ = 774084524192.

The previous prime is 1161134311543. The next prime is 1161134311681.

1161134311611 is nontrivially palindromic in base 10.

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 1161134311611 - 2¹⁰ = 1161134310587 is a prime.

It is a super-3 number, since 3×1161134311611³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161134311681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676116 + ... + 1667153.

It is an arithmetic number, because the mean of its divisors is an integer number (193523639490).

Almost surely, 2^{1161134311611} is an apocalyptic number.

1161134311611 is a deficient number, since it is larger than the sum of its proper divisors (387054804309).

1161134311611 is a wasteful number, since it uses less digits than its factorization.

1161134311611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508445.

The product of its digits is 1296, while the sum is 30.

The spelling of 1161134311611 in words is "one trillion, one hundred sixty-one billion, one hundred thirty-four million, three hundred eleven thousand, six hundred eleven".