1065135111 has 8 divisors (see below), whose sum is σ = 1420479984. Its totient is φ = 709940160.

The previous prime is 1065135109. The next prime is 1065135131. The reversal of 1065135111 is 1115315601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1065135111 - 2¹ = 1065135109 is a prime.

It is a super-2 number, since 2×1065135111² = 2269025609369964642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065135101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19696 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (177559998).

Almost surely, 2^1065135111 is an apocalyptic number.

1065135111 is a deficient number, since it is larger than the sum of its proper divisors (355344873).

1065135111 is an equidigital number, since it uses as much as digits as its factorization.

1065135111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74961.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 1065135111 is about 32636.4077526924. The cubic root of 1065135111 is about 1021.2566566406.

The spelling of 1065135111 in words is "one billion, sixty-five million, one hundred thirty-five thousand, one hundred eleven".