112705328521 has 2 divisors, whose sum is σ = 112705328522. Its totient is φ = 112705328520.

The previous prime is 112705328509. The next prime is 112705328537. The reversal of 112705328521 is 125823507211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111419102025 + 1286226496 = 333795^2 + 35864^2 .

It is a cyclic number.

It is not a de Polignac number, because 112705328521 - 2¹¹ = 112705326473 is a prime.

It is not a weakly prime, because it can be changed into another prime (112705328501) 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, 56352664260 + 56352664261.

It is an arithmetic number, because the mean of its divisors is an integer number (56352664261).

Almost surely, 2^112705328521 is an apocalyptic number.

It is an amenable number.

112705328521 is a deficient number, since it is larger than the sum of its proper divisors (1).

112705328521 is an equidigital number, since it uses as much as digits as its factorization.

112705328521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 112705328521 in words is "one hundred twelve billion, seven hundred five million, three hundred twenty-eight thousand, five hundred twenty-one".