1166151151115 has 8 divisors (see below), whose sum is σ = 1399387673040. Its totient is φ = 932916726432.

The previous prime is 1166151151091. The next prime is 1166151151181. The reversal of 1166151151115 is 5111511516611.

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 1166151151115 - 2¹² = 1166151147019 is a prime.

It is an unprimeable number.

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, 1236677 + ... + 1965113.

It is an arithmetic number, because the mean of its divisors is an integer number (174923459130).

Almost surely, 2^{1166151151115} is an apocalyptic number.

1166151151115 is a deficient number, since it is larger than the sum of its proper divisors (233236521925).

1166151151115 is an equidigital number, since it uses as much as digits as its factorization.

1166151151115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048621.

The product of its digits is 4500, while the sum is 35.

Adding to 1166151151115 its reverse (5111511516611), we get a palindrome (6277662667726).

The spelling of 1166151151115 in words is "one trillion, one hundred sixty-six billion, one hundred fifty-one million, one hundred fifty-one thousand, one hundred fifteen".