1165033211 has 8 divisors (see below), whose sum is σ = 1205846400. Its totient is φ = 1124262720.

The previous prime is 1165033201. The next prime is 1165033213. The reversal of 1165033211 is 1123305611.

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

It is not a de Polignac number, because 1165033211 - 2¹⁸ = 1164771067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1165033213) 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, 50966 + ... + 70196.

It is an arithmetic number, because the mean of its divisors is an integer number (150730800).

Almost surely, 2^1165033211 is an apocalyptic number.

1165033211 is a deficient number, since it is larger than the sum of its proper divisors (40813189).

1165033211 is a wasteful number, since it uses less digits than its factorization.

1165033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21349.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1165033211 is about 34132.5828351738. The cubic root of 1165033211 is about 1052.2350609276.

Adding to 1165033211 its reverse (1123305611), we get a palindrome (2288338822).

The spelling of 1165033211 in words is "one billion, one hundred sixty-five million, thirty-three thousand, two hundred eleven".