11240124131 has 4 divisors (see below), whose sum is σ = 11260673352. Its totient is φ = 11219574912.

The previous prime is 11240124109. The next prime is 11240124163. The reversal of 11240124131 is 13142104211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13142104211 = 59 ⋅222747529.

It is a cyclic number.

It is not a de Polignac number, because 11240124131 - 2²² = 11235929827 is a prime.

It is a super-2 number, since 2×11240124131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11240124431) 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, 10273790 + ... + 10274883.

It is an arithmetic number, because the mean of its divisors is an integer number (2815168338).

Almost surely, 2^11240124131 is an apocalyptic number.

11240124131 is a deficient number, since it is larger than the sum of its proper divisors (20549221).

11240124131 is an equidigital number, since it uses as much as digits as its factorization.

11240124131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20549220.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11240124131 its reverse (13142104211), we get a palindrome (24382228342).

The spelling of 11240124131 in words is "eleven billion, two hundred forty million, one hundred twenty-four thousand, one hundred thirty-one".