11021316131365 has 4 divisors (see below), whose sum is σ = 13225579357644. Its totient is φ = 8817052905088.

The previous prime is 11021316131341. The next prime is 11021316131381. The reversal of 11021316131365 is 56313161312011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8243140561569 + 2778175569796 = 2871087^2 + 1666786^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021316131365 - 2⁵ = 11021316131333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11021316131365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102131613132 + ... + 1102131613141.

It is an arithmetic number, because the mean of its divisors is an integer number (3306394839411).

Almost surely, 2^{11021316131365} is an apocalyptic number.

It is an amenable number.

11021316131365 is a deficient number, since it is larger than the sum of its proper divisors (2204263226279).

11021316131365 is an equidigital number, since it uses as much as digits as its factorization.

11021316131365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204263226278.

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 11021316131365 its reverse (56313161312011), we get a palindrome (67334477443376).

The spelling of 11021316131365 in words is "eleven trillion, twenty-one billion, three hundred sixteen million, one hundred thirty-one thousand, three hundred sixty-five".