11003265165 has 16 divisors (see below), whose sum is σ = 18081042048. Its totient is φ = 5709802176.

The previous prime is 11003265149. The next prime is 11003265167. The reversal of 11003265165 is 56156230011.

It is not a de Polignac number, because 11003265165 - 2⁴ = 11003265149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003265167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9912297 + ... + 9913406.

It is an arithmetic number, because the mean of its divisors is an integer number (1130065128).

Almost surely, 2^11003265165 is an apocalyptic number.

11003265165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11003265165 is a deficient number, since it is larger than the sum of its proper divisors (7077776883).

11003265165 is a wasteful number, since it uses less digits than its factorization.

11003265165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19825748.

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

Adding to 11003265165 its reverse (56156230011), we get a palindrome (67159495176).

The spelling of 11003265165 in words is "eleven billion, three million, two hundred sixty-five thousand, one hundred sixty-five".