11404240131 has 8 divisors (see below), whose sum is σ = 15206163280. Its totient is φ = 7602571872.

The previous prime is 11404240117. The next prime is 11404240147. The reversal of 11404240131 is 13104240411.

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

It is not a de Polignac number, because 11404240131 - 2³³ = 2814305539 is a prime.

It is a super-2 number, since 2×11404240131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11404240098 and 11404240107.

It is not an unprimeable number, because it can be changed into a prime (11404240151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102981 + ... + 182793.

It is an arithmetic number, because the mean of its divisors is an integer number (1900770410).

Almost surely, 2^11404240131 is an apocalyptic number.

11404240131 is a deficient number, since it is larger than the sum of its proper divisors (3801923149).

11404240131 is an equidigital number, since it uses as much as digits as its factorization.

11404240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127445.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11404240131 its reverse (13104240411), we get a palindrome (24508480542).

The spelling of 11404240131 in words is "eleven billion, four hundred four million, two hundred forty thousand, one hundred thirty-one".