11131142003321 has 4 divisors (see below), whose sum is σ = 11205847654500. Its totient is φ = 11056436352144.

The previous prime is 11131142003279. The next prime is 11131142003369. The reversal of 11131142003321 is 12330024113111.

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 5232747750400 + 5898394252921 = 2287520^2 + 2428661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131142003321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11131142009321) 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, 37352825366 + ... + 37352825663.

It is an arithmetic number, because the mean of its divisors is an integer number (2801461913625).

Almost surely, 2^{11131142003321} is an apocalyptic number.

It is an amenable number.

11131142003321 is a deficient number, since it is larger than the sum of its proper divisors (74705651179).

11131142003321 is an equidigital number, since it uses as much as digits as its factorization.

11131142003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74705651178.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11131142003321 its reverse (12330024113111), we get a palindrome (23461166116432).

The spelling of 11131142003321 in words is "eleven trillion, one hundred thirty-one billion, one hundred forty-two million, three thousand, three hundred twenty-one".