11673121331 has 8 divisors (see below), whose sum is σ = 12110845824. Its totient is φ = 11239220160.

The previous prime is 11673121303. The next prime is 11673121337. The reversal of 11673121331 is 13312137611.

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 11673121331 - 2²² = 11668927027 is a prime.

It is a super-2 number, since 2×11673121331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11673121294 and 11673121303.

It is not an unprimeable number, because it can be changed into a prime (11673121337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949610 + ... + 961823.

It is an arithmetic number, because the mean of its divisors is an integer number (1513855728).

Almost surely, 2^11673121331 is an apocalyptic number.

11673121331 is a deficient number, since it is larger than the sum of its proper divisors (437724493).

11673121331 is a wasteful number, since it uses less digits than its factorization.

11673121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911661.

The product of its digits is 2268, while the sum is 29.

Adding to 11673121331 its reverse (13312137611), we get a palindrome (24985258942).

The spelling of 11673121331 in words is "eleven billion, six hundred seventy-three million, one hundred twenty-one thousand, three hundred thirty-one".