1162536065 has 4 divisors (see below), whose sum is σ = 1395043284. Its totient is φ = 930028848.

The previous prime is 1162536047. The next prime is 1162536073. The reversal of 1162536065 is 5606352611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5606352611 = 83 ⋅67546417.

It can be written as a sum of positive squares in 2 ways, for example, as 581581456 + 580954609 = 24116^2 + 24103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162536065 - 2²⁰ = 1161487489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116253602 + ... + 116253611.

It is an arithmetic number, because the mean of its divisors is an integer number (348760821).

Almost surely, 2^1162536065 is an apocalyptic number.

It is an amenable number.

1162536065 is a deficient number, since it is larger than the sum of its proper divisors (232507219).

1162536065 is an equidigital number, since it uses as much as digits as its factorization.

1162536065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232507218.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1162536065 is about 34095.9831211831. The cubic root of 1162536065 is about 1051.4827321186.

Adding to 1162536065 its reverse (5606352611), we get a palindrome (6768888676).

The spelling of 1162536065 in words is "one billion, one hundred sixty-two million, five hundred thirty-six thousand, sixty-five".