1045111165 has 16 divisors (see below), whose sum is σ = 1441588608. Its totient is φ = 712501056.

The previous prime is 1045111157. The next prime is 1045111219. The reversal of 1045111165 is 5611115401.

It is a cyclic number.

It is not a de Polignac number, because 1045111165 - 2³ = 1045111157 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 80247 + ... + 92356.

It is an arithmetic number, because the mean of its divisors is an integer number (90099288).

Almost surely, 2^1045111165 is an apocalyptic number.

It is an amenable number.

1045111165 is a deficient number, since it is larger than the sum of its proper divisors (396477443).

1045111165 is a wasteful number, since it uses less digits than its factorization.

1045111165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172788.

The product of its (nonzero) digits is 600, while the sum is 25.

The square root of 1045111165 is about 32328.1791166778. The cubic root of 1045111165 is about 1014.8164437902.

Adding to 1045111165 its reverse (5611115401), we get a palindrome (6656226566).

The spelling of 1045111165 in words is "one billion, forty-five million, one hundred eleven thousand, one hundred sixty-five".