11201320365 has 32 divisors (see below), whose sum is σ = 18549350400. Its totient is φ = 5765981760.

The previous prime is 11201320337. The next prime is 11201320369. The reversal of 11201320365 is 56302310211.

It is not a de Polignac number, because 11201320365 - 2⁶ = 11201320301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201320369) 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 31 ways as a sum of consecutive naturals, for example, 144456 + ... + 208014.

It is an arithmetic number, because the mean of its divisors is an integer number (579667200).

Almost surely, 2^11201320365 is an apocalyptic number.

11201320365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11201320365 is a deficient number, since it is larger than the sum of its proper divisors (7348030035).

11201320365 is a wasteful number, since it uses less digits than its factorization.

11201320365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63977.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11201320365 its reverse (56302310211), we get a palindrome (67503630576).

The spelling of 11201320365 in words is "eleven billion, two hundred one million, three hundred twenty thousand, three hundred sixty-five".