111544322413 has 2 divisors, whose sum is σ = 111544322414. Its totient is φ = 111544322412.

The previous prime is 111544322399. The next prime is 111544322431. The reversal of 111544322413 is 314223445111.

It is a happy number.

Together with next prime (111544322431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68915700324 + 42628622089 = 262518^2 + 206467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111544322413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111544320413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55772161206 + 55772161207.

It is an arithmetic number, because the mean of its divisors is an integer number (55772161207).

Almost surely, 2^111544322413 is an apocalyptic number.

It is an amenable number.

111544322413 is a deficient number, since it is larger than the sum of its proper divisors (1).

111544322413 is an equidigital number, since it uses as much as digits as its factorization.

111544322413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

Adding to 111544322413 its reverse (314223445111), we get a palindrome (425767767524).

The spelling of 111544322413 in words is "one hundred eleven billion, five hundred forty-four million, three hundred twenty-two thousand, four hundred thirteen".