111145034237 has 2 divisors, whose sum is σ = 111145034238. Its totient is φ = 111145034236.

The previous prime is 111145034233. The next prime is 111145034249. The reversal of 111145034237 is 732430541111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85485479641 + 25659554596 = 292379^2 + 160186^2 .

It is a cyclic number.

It is not a de Polignac number, because 111145034237 - 2² = 111145034233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111145034233) 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, 55572517118 + 55572517119.

It is an arithmetic number, because the mean of its divisors is an integer number (55572517119).

Almost surely, 2^111145034237 is an apocalyptic number.

It is an amenable number.

111145034237 is a deficient number, since it is larger than the sum of its proper divisors (1).

111145034237 is an equidigital number, since it uses as much as digits as its factorization.

111145034237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 111145034237 its reverse (732430541111), we get a palindrome (843575575348).

The spelling of 111145034237 in words is "one hundred eleven billion, one hundred forty-five million, thirty-four thousand, two hundred thirty-seven".