11165176345 has 4 divisors (see below), whose sum is σ = 13398211620. Its totient is φ = 8932141072.

The previous prime is 11165176339. The next prime is 11165176387. The reversal of 11165176345 is 54367156111.

11165176345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8634683929 + 2530492416 = 92923^2 + 50304^2 .

It is a cyclic number.

It is not a de Polignac number, because 11165176345 - 2⁵ = 11165176313 is a prime.

It is a super-2 number, since 2×11165176345² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11165176298 and 11165176307.

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 3 ways as a sum of consecutive naturals, for example, 1116517630 + ... + 1116517639.

It is an arithmetic number, because the mean of its divisors is an integer number (3349552905).

Almost surely, 2^11165176345 is an apocalyptic number.

It is an amenable number.

11165176345 is a deficient number, since it is larger than the sum of its proper divisors (2233035275).

11165176345 is an equidigital number, since it uses as much as digits as its factorization.

11165176345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233035274.

The product of its digits is 75600, while the sum is 40.

The spelling of 11165176345 in words is "eleven billion, one hundred sixty-five million, one hundred seventy-six thousand, three hundred forty-five".