11165331581316 has 96 divisors (see below), whose sum is σ = 31790653776000. Its totient is φ = 3360726149760.

The previous prime is 11165331581291. The next prime is 11165331581329. The reversal of 11165331581316 is 61318513356111.

It is a happy number.

11165331581316 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 5 + 3 + 31 + 581 + 31 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31361335 + ... + 31715358.

It is an arithmetic number, because the mean of its divisors is an integer number (331152643500).

Almost surely, 2^{11165331581316} is an apocalyptic number.

It is an amenable number.

11165331581316 is an abundant number, since it is smaller than the sum of its proper divisors (20625322194684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11165331581316 is a wasteful number, since it uses less digits than its factorization.

11165331581316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63076866 (or 63076858 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The spelling of 11165331581316 in words is "eleven trillion, one hundred sixty-five billion, three hundred thirty-one million, five hundred eighty-one thousand, three hundred sixteen".