11112444131 has 2 divisors, whose sum is σ = 11112444132. Its totient is φ = 11112444130.

The previous prime is 11112444067. The next prime is 11112444137. The reversal of 11112444131 is 13144421111.

11112444131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112444131 - 2⁶ = 11112444067 is a prime.

It is a super-2 number, since 2×11112444131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112444097 and 11112444106.

It is not a weakly prime, because it can be changed into another prime (11112444137) 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 as a sum of consecutive naturals, namely, 5556222065 + 5556222066.

It is an arithmetic number, because the mean of its divisors is an integer number (5556222066).

Almost surely, 2^11112444131 is an apocalyptic number.

11112444131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112444131 is an equidigital number, since it uses as much as digits as its factorization.

11112444131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

Adding to 11112444131 its reverse (13144421111), we get a palindrome (24256865242).

The spelling of 11112444131 in words is "eleven billion, one hundred twelve million, four hundred forty-four thousand, one hundred thirty-one".