111435534149 has 2 divisors, whose sum is σ = 111435534150. Its totient is φ = 111435534148.

The previous prime is 111435534103. The next prime is 111435534239. The reversal of 111435534149 is 941435534111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60605577124 + 50829957025 = 246182^2 + 225455^2 .

It is an emirp because it is prime and its reverse (941435534111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111435534149 - 2¹² = 111435530053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111435534449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55717767074 + 55717767075.

It is an arithmetic number, because the mean of its divisors is an integer number (55717767075).

Almost surely, 2^111435534149 is an apocalyptic number.

It is an amenable number.

111435534149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111435534149 is an equidigital number, since it uses as much as digits as its factorization.

111435534149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The spelling of 111435534149 in words is "one hundred eleven billion, four hundred thirty-five million, five hundred thirty-four thousand, one hundred forty-nine".