11242144131 has 8 divisors (see below), whose sum is σ = 15272346960. Its totient is φ = 7353352032.

The previous prime is 11242144129. The next prime is 11242144139. The reversal of 11242144131 is 13144124211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11242144131 - 2¹ = 11242144129 is a prime.

It is a super-2 number, since 2×11242144131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11242144139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35352496 + ... + 35352813.

It is an arithmetic number, because the mean of its divisors is an integer number (1909043370).

Almost surely, 2^11242144131 is an apocalyptic number.

11242144131 is a deficient number, since it is larger than the sum of its proper divisors (4030202829).

11242144131 is an equidigital number, since it uses as much as digits as its factorization.

11242144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70705365.

The product of its digits is 768, while the sum is 24.

Adding to 11242144131 its reverse (13144124211), we get a palindrome (24386268342).

The spelling of 11242144131 in words is "eleven billion, two hundred forty-two million, one hundred forty-four thousand, one hundred thirty-one".