11550052211065 has 24 divisors (see below), whose sum is σ = 14900708692800. Its totient is φ = 8591732583168.

The previous prime is 11550052211003. The next prime is 11550052211069. The reversal of 11550052211065 is 56011225005511.

It is not a de Polignac number, because 11550052211065 - 2⁹ = 11550052210553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11550052211065.

It is not an unprimeable number, because it can be changed into a prime (11550052211069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48031365 + ... + 48271234.

It is an arithmetic number, because the mean of its divisors is an integer number (620862862200).

Almost surely, 2^{11550052211065} is an apocalyptic number.

It is an amenable number.

11550052211065 is a deficient number, since it is larger than the sum of its proper divisors (3350656481735).

11550052211065 is an equidigital number, since it uses as much as digits as its factorization.

11550052211065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96302721 (or 96302704 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 11550052211065 its reverse (56011225005511), we get a palindrome (67561277216576).

The spelling of 11550052211065 in words is "eleven trillion, five hundred fifty billion, fifty-two million, two hundred eleven thousand, sixty-five".