11116440131 has 4 divisors (see below), whose sum is σ = 11770348392. Its totient is φ = 10462531872.

The previous prime is 11116440121. The next prime is 11116440151. The reversal of 11116440131 is 13104461111.

11116440131 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, and also an emirpimes, since its reverse is a distinct semiprime: 13104461111 = 7 ⋅1872065873.

It is a cyclic number.

It is not a de Polignac number, because 11116440131 - 2²² = 11112245827 is a prime.

It is a super-2 number, since 2×11116440131² (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 = 11116440097 and 11116440106.

It is not an unprimeable number, because it can be changed into a prime (11116440121) 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, 326954105 + ... + 326954138.

It is an arithmetic number, because the mean of its divisors is an integer number (2942587098).

Almost surely, 2^11116440131 is an apocalyptic number.

11116440131 is a deficient number, since it is larger than the sum of its proper divisors (653908261).

11116440131 is an equidigital number, since it uses as much as digits as its factorization.

11116440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653908260.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11116440131 in words is "eleven billion, one hundred sixteen million, four hundred forty thousand, one hundred thirty-one".