111443139133 has 2 divisors, whose sum is σ = 111443139134. Its totient is φ = 111443139132.

The previous prime is 111443139097. The next prime is 111443139139. The reversal of 111443139133 is 331931344111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59713275769 + 51729863364 = 244363^2 + 227442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111443139133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111443139139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721569566 + 55721569567.

It is an arithmetic number, because the mean of its divisors is an integer number (55721569567).

Almost surely, 2^111443139133 is an apocalyptic number.

It is an amenable number.

111443139133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111443139133 is an equidigital number, since it uses as much as digits as its factorization.

111443139133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The spelling of 111443139133 in words is "one hundred eleven billion, four hundred forty-three million, one hundred thirty-nine thousand, one hundred thirty-three".