11165040671 has 2 divisors, whose sum is σ = 11165040672. Its totient is φ = 11165040670.

The previous prime is 11165040637. The next prime is 11165040703. The reversal of 11165040671 is 17604056111.

It is an a-pointer prime, because the next prime (11165040703) can be obtained adding 11165040671 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11165040671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11165060671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582520335 + 5582520336.

It is an arithmetic number, because the mean of its divisors is an integer number (5582520336).

Almost surely, 2^11165040671 is an apocalyptic number.

11165040671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165040671 is an equidigital number, since it uses as much as digits as its factorization.

11165040671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 11165040671 its reverse (17604056111), we get a palindrome (28769096782).

The spelling of 11165040671 in words is "eleven billion, one hundred sixty-five million, forty thousand, six hundred seventy-one".