7160112721 has 2 divisors, whose sum is σ = 7160112722. Its totient is φ = 7160112720.

The previous prime is 7160112697. The next prime is 7160112733. The reversal of 7160112721 is 1272110617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5595040000 + 1565072721 = 74800^2 + 39561^2 .

It is an emirp because it is prime and its reverse (1272110617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7160112721 - 2¹¹ = 7160110673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7160112721.

It is not a weakly prime, because it can be changed into another prime (7160112761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580056360 + 3580056361.

It is an arithmetic number, because the mean of its divisors is an integer number (3580056361).

Almost surely, 2^7160112721 is an apocalyptic number.

It is an amenable number.

7160112721 is a deficient number, since it is larger than the sum of its proper divisors (1).

7160112721 is an equidigital number, since it uses as much as digits as its factorization.

7160112721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 7160112721 is about 84617.4492702303. The cubic root of 7160112721 is about 1927.4063544555.

The spelling of 7160112721 in words is "seven billion, one hundred sixty million, one hundred twelve thousand, seven hundred twenty-one".