11353450043213 has 4 divisors (see below), whose sum is σ = 11353462207260. Its totient is φ = 11353437879168.

The previous prime is 11353450043189. The next prime is 11353450043251. The reversal of 11353450043213 is 31234005435311.

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 1664685711529 + 9688764331684 = 1290227^2 + 3112678^2 .

It is a cyclic number.

It is not a de Polignac number, because 11353450043213 - 2²⁶ = 11353382934349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353450043813) 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, 4554020 + ... + 6591357.

It is an arithmetic number, because the mean of its divisors is an integer number (2838365551815).

Almost surely, 2^{11353450043213} is an apocalyptic number.

It is an amenable number.

11353450043213 is a deficient number, since it is larger than the sum of its proper divisors (12164047).

11353450043213 is a wasteful number, since it uses less digits than its factorization.

11353450043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164046.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 11353450043213 its reverse (31234005435311), we get a palindrome (42587455478524).

The spelling of 11353450043213 in words is "eleven trillion, three hundred fifty-three billion, four hundred fifty million, forty-three thousand, two hundred thirteen".