11321130675421 has 4 divisors (see below), whose sum is σ = 12938435057632. Its totient is φ = 9703826293212.

The previous prime is 11321130675367. The next prime is 11321130675431. The reversal of 11321130675421 is 12457603112311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11321130675421 - 2¹¹ = 11321130673373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321130675431) 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, 808652191095 + ... + 808652191108.

It is an arithmetic number, because the mean of its divisors is an integer number (3234608764408).

Almost surely, 2^{11321130675421} is an apocalyptic number.

It is an amenable number.

11321130675421 is a deficient number, since it is larger than the sum of its proper divisors (1617304382211).

11321130675421 is an equidigital number, since it uses as much as digits as its factorization.

11321130675421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617304382210.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 11321130675421 its reverse (12457603112311), we get a palindrome (23778733787732).

The spelling of 11321130675421 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty million, six hundred seventy-five thousand, four hundred twenty-one".