11131974841 has 8 divisors (see below), whose sum is σ = 12122981640. Its totient is φ = 10160211072.

The previous prime is 11131974827. The next prime is 11131974877. The reversal of 11131974841 is 14847913111.

11131974841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 896403600 + 10235571241 = 29940^2 + 101171^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131974841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131974794 and 11131974803.

It is not an unprimeable number, because it can be changed into a prime (11131974041) 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 7 ways as a sum of consecutive naturals, for example, 4809550 + ... + 4811863.

It is an arithmetic number, because the mean of its divisors is an integer number (1515372705).

Almost surely, 2^11131974841 is an apocalyptic number.

It is an amenable number.

11131974841 is a deficient number, since it is larger than the sum of its proper divisors (991006799).

11131974841 is an equidigital number, since it uses as much as digits as its factorization.

11131974841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621515.

The product of its digits is 24192, while the sum is 40.

The spelling of 11131974841 in words is "eleven billion, one hundred thirty-one million, nine hundred seventy-four thousand, eight hundred forty-one".