112806138749 has 2 divisors, whose sum is σ = 112806138750. Its totient is φ = 112806138748.

The previous prime is 112806138713. The next prime is 112806138779. The reversal of 112806138749 is 947831608211.

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., 88809960100 + 23996178649 = 298010^2 + 154907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112806138749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112806138697 and 112806138706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112806138779) 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, 56403069374 + 56403069375.

It is an arithmetic number, because the mean of its divisors is an integer number (56403069375).

Almost surely, 2^112806138749 is an apocalyptic number.

It is an amenable number.

112806138749 is a deficient number, since it is larger than the sum of its proper divisors (1).

112806138749 is an equidigital number, since it uses as much as digits as its factorization.

112806138749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 112806138749 in words is "one hundred twelve billion, eight hundred six million, one hundred thirty-eight thousand, seven hundred forty-nine".