11013323604643 has 4 divisors (see below), whose sum is σ = 11661166169640. Its totient is φ = 10365481039648.

The previous prime is 11013323604617. The next prime is 11013323604653. The reversal of 11013323604643 is 34640632331011.

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

It is a cyclic number.

It is not a de Polignac number, because 11013323604643 - 2²¹ = 11013321507491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013323604653) 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, 323921282473 + ... + 323921282506.

It is an arithmetic number, because the mean of its divisors is an integer number (2915291542410).

Almost surely, 2^{11013323604643} is an apocalyptic number.

11013323604643 is a deficient number, since it is larger than the sum of its proper divisors (647842564997).

11013323604643 is an equidigital number, since it uses as much as digits as its factorization.

11013323604643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647842564996.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 11013323604643 its reverse (34640632331011), we get a palindrome (45653955935654).

The spelling of 11013323604643 in words is "eleven trillion, thirteen billion, three hundred twenty-three million, six hundred four thousand, six hundred forty-three".