11130440131 has 4 divisors (see below), whose sum is σ = 11136769600. Its totient is φ = 11124110664.

The previous prime is 11130440129. The next prime is 11130440137. The reversal of 11130440131 is 13104403111.

11130440131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11130440131 - 2¹ = 11130440129 is a prime.

It is a super-2 number, since 2×11130440131² (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 = 11130440099 and 11130440108.

It is not an unprimeable number, because it can be changed into a prime (11130440137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162096 + ... + 3165613.

It is an arithmetic number, because the mean of its divisors is an integer number (2784192400).

Almost surely, 2^11130440131 is an apocalyptic number.

11130440131 is a deficient number, since it is larger than the sum of its proper divisors (6329469).

11130440131 is an equidigital number, since it uses as much as digits as its factorization.

11130440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329468.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11130440131 its reverse (13104403111), we get a palindrome (24234843242).

The spelling of 11130440131 in words is "eleven billion, one hundred thirty million, four hundred forty thousand, one hundred thirty-one".