1011065165 has 32 divisors (see below), whose sum is σ = 1384217856. Its totient is φ = 701775360.

The previous prime is 1011065141. The next prime is 1011065171. The reversal of 1011065165 is 5615601101.

It is not a de Polignac number, because 1011065165 - 2⁶ = 1011065101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078577 + ... + 1079513.

It is an arithmetic number, because the mean of its divisors is an integer number (43256808).

Almost surely, 2^1011065165 is an apocalyptic number.

It is an amenable number.

1011065165 is a deficient number, since it is larger than the sum of its proper divisors (373152691).

1011065165 is a wasteful number, since it uses less digits than its factorization.

1011065165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1011065165 is about 31797.2509031834. The cubic root of 1011065165 is about 1003.6748671422.

Adding to 1011065165 its reverse (5615601101), we get a palindrome (6626666266).

The spelling of 1011065165 in words is "one billion, eleven million, sixty-five thousand, one hundred sixty-five".