111224555749 has 2 divisors, whose sum is σ = 111224555750. Its totient is φ = 111224555748.

The previous prime is 111224555737. The next prime is 111224555779. The reversal of 111224555749 is 947555422111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95400676900 + 15823878849 = 308870^2 + 125793^2 .

It is a cyclic number.

It is not a de Polignac number, because 111224555749 - 2¹⁹ = 111224031461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111224555699 and 111224555708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111224555779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55612277874 + 55612277875.

It is an arithmetic number, because the mean of its divisors is an integer number (55612277875).

Almost surely, 2^111224555749 is an apocalyptic number.

It is an amenable number.

111224555749 is a deficient number, since it is larger than the sum of its proper divisors (1).

111224555749 is an equidigital number, since it uses as much as digits as its factorization.

111224555749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 46.

The spelling of 111224555749 in words is "one hundred eleven billion, two hundred twenty-four million, five hundred fifty-five thousand, seven hundred forty-nine".