11131411321 has 4 divisors (see below), whose sum is σ = 11199702352. Its totient is φ = 11063120292.

The previous prime is 11131411309. The next prime is 11131411367. The reversal of 11131411321 is 12311413111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12311413111 = 541 ⋅22756771.

It is a cyclic number.

It is not a de Polignac number, because 11131411321 - 2²¹ = 11129314169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131411381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34145271 + ... + 34145596.

It is an arithmetic number, because the mean of its divisors is an integer number (2799925588).

Almost surely, 2^11131411321 is an apocalyptic number.

It is an amenable number.

11131411321 is a deficient number, since it is larger than the sum of its proper divisors (68291031).

11131411321 is an equidigital number, since it uses as much as digits as its factorization.

11131411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68291030.

The product of its digits is 72, while the sum is 19.

Adding to 11131411321 its reverse (12311413111), we get a palindrome (23442824432).

The spelling of 11131411321 in words is "eleven billion, one hundred thirty-one million, four hundred eleven thousand, three hundred twenty-one".