111443040053 has 2 divisors, whose sum is σ = 111443040054. Its totient is φ = 111443040052.

The previous prime is 111443040019. The next prime is 111443040061. The reversal of 111443040053 is 350040344111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80520872644 + 30922167409 = 283762^2 + 175847^2 .

It is a cyclic number.

It is not a de Polignac number, because 111443040053 - 2¹⁴ = 111443023669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111443040013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721520026 + 55721520027.

It is an arithmetic number, because the mean of its divisors is an integer number (55721520027).

Almost surely, 2^111443040053 is an apocalyptic number.

It is an amenable number.

111443040053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111443040053 is an equidigital number, since it uses as much as digits as its factorization.

111443040053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 111443040053 its reverse (350040344111), we get a palindrome (461483384164).

The spelling of 111443040053 in words is "one hundred eleven billion, four hundred forty-three million, forty thousand, fifty-three".