11165176387 has 2 divisors, whose sum is σ = 11165176388. Its totient is φ = 11165176386.

The previous prime is 11165176339. The next prime is 11165176391. The reversal of 11165176387 is 78367156111.

11165176387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11165176387 is a prime.

It is a super-2 number, since 2×11165176387² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11165176487) by changing a digit.

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 as a sum of consecutive naturals, namely, 5582588193 + 5582588194.

It is an arithmetic number, because the mean of its divisors is an integer number (5582588194).

Almost surely, 2^11165176387 is an apocalyptic number.

11165176387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165176387 is an equidigital number, since it uses as much as digits as its factorization.

11165176387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 46.

The spelling of 11165176387 in words is "eleven billion, one hundred sixty-five million, one hundred seventy-six thousand, three hundred eighty-seven".