11112329706721 has 2 divisors, whose sum is σ = 11112329706722. Its totient is φ = 11112329706720.

The previous prime is 11112329706607. The next prime is 11112329706743. The reversal of 11112329706721 is 12760792321111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9936490928400 + 1175838778321 = 3152220^2 + 1084361^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112329706721 - 2¹³ = 11112329698529 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112329706221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556164853360 + 5556164853361.

It is an arithmetic number, because the mean of its divisors is an integer number (5556164853361).

Almost surely, 2^{11112329706721} is an apocalyptic number.

It is an amenable number.

11112329706721 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112329706721 is an equidigital number, since it uses as much as digits as its factorization.

11112329706721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 11112329706721 in words is "eleven trillion, one hundred twelve billion, three hundred twenty-nine million, seven hundred six thousand, seven hundred twenty-one".