111443053 has 2 divisors, whose sum is σ = 111443054. Its totient is φ = 111443052.

The previous prime is 111443051. The next prime is 111443069. The reversal of 111443053 is 350344111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104489284 + 6953769 = 10222^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 111443053 - 2¹ = 111443051 is a prime.

Together with 111443051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111443051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721526 + 55721527.

It is an arithmetic number, because the mean of its divisors is an integer number (55721527).

Almost surely, 2^111443053 is an apocalyptic number.

It is an amenable number.

111443053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111443053 is an equidigital number, since it uses as much as digits as its factorization.

111443053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 111443053 is about 10556.6591779786. The cubic root of 111443053 is about 481.2281238608.

Adding to 111443053 its reverse (350344111), we get a palindrome (461787164).

The spelling of 111443053 in words is "one hundred eleven million, four hundred forty-three thousand, fifty-three".