1165513341 has 4 divisors (see below), whose sum is σ = 1554017792. Its totient is φ = 777008892.

The previous prime is 1165513309. The next prime is 1165513343. The reversal of 1165513341 is 1433155611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1165513341 - 2⁵ = 1165513309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1165513299 and 1165513308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165513343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194252221 + ... + 194252226.

It is an arithmetic number, because the mean of its divisors is an integer number (388504448).

Almost surely, 2^1165513341 is an apocalyptic number.

It is an amenable number.

1165513341 is a deficient number, since it is larger than the sum of its proper divisors (388504451).

1165513341 is an equidigital number, since it uses as much as digits as its factorization.

1165513341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388504450.

The product of its digits is 5400, while the sum is 30.

The square root of 1165513341 is about 34139.6154196265. The cubic root of 1165513341 is about 1052.3795890633.

Adding to 1165513341 its reverse (1433155611), we get a palindrome (2598668952).

The spelling of 1165513341 in words is "one billion, one hundred sixty-five million, five hundred thirteen thousand, three hundred forty-one".