1165114441 has 2 divisors, whose sum is σ = 1165114442. Its totient is φ = 1165114440.

The previous prime is 1165114439. The next prime is 1165114543. The reversal of 1165114441 is 1444115611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980942400 + 184172041 = 31320^2 + 13571^2 .

It is an emirp because it is prime and its reverse (1444115611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165114441 - 2¹ = 1165114439 is a prime.

Together with 1165114439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1165112441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582557220 + 582557221.

It is an arithmetic number, because the mean of its divisors is an integer number (582557221).

Almost surely, 2^1165114441 is an apocalyptic number.

It is an amenable number.

1165114441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165114441 is an equidigital number, since it uses as much as digits as its factorization.

1165114441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

The square root of 1165114441 is about 34133.7727331744. The cubic root of 1165114441 is about 1052.2595154716.

The spelling of 1165114441 in words is "one billion, one hundred sixty-five million, one hundred fourteen thousand, four hundred forty-one".