112520305129 has 2 divisors, whose sum is σ = 112520305130. Its totient is φ = 112520305128.

The previous prime is 112520305103. The next prime is 112520305151. The reversal of 112520305129 is 921503025211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84376887529 + 28143417600 = 290477^2 + 167760^2 .

It is an emirp because it is prime and its reverse (921503025211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112520305129 - 2¹⁷ = 112520174057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112520305129.

It is not a weakly prime, because it can be changed into another prime (112520305199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56260152564 + 56260152565.

It is an arithmetic number, because the mean of its divisors is an integer number (56260152565).

Almost surely, 2^112520305129 is an apocalyptic number.

It is an amenable number.

112520305129 is a deficient number, since it is larger than the sum of its proper divisors (1).

112520305129 is an equidigital number, since it uses as much as digits as its factorization.

112520305129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 112520305129 in words is "one hundred twelve billion, five hundred twenty million, three hundred five thousand, one hundred twenty-nine".