11365313453 has 4 divisors (see below), whose sum is σ = 12239568348. Its totient is φ = 10491058560.

The previous prime is 11365313441. The next prime is 11365313459. The reversal of 11365313453 is 35431356311.

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 4201891684 + 7163421769 = 64822^2 + 84637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11365313453 - 2⁴ = 11365313437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11365313459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437127428 + ... + 437127453.

It is an arithmetic number, because the mean of its divisors is an integer number (3059892087).

Almost surely, 2^11365313453 is an apocalyptic number.

11365313453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11365313453 is a deficient number, since it is larger than the sum of its proper divisors (874254895).

11365313453 is an equidigital number, since it uses as much as digits as its factorization.

11365313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874254894.

The product of its digits is 48600, while the sum is 35.

Adding to 11365313453 its reverse (35431356311), we get a palindrome (46796669764).

The spelling of 11365313453 in words is "eleven billion, three hundred sixty-five million, three hundred thirteen thousand, four hundred fifty-three".