7135605161 has 2 divisors, whose sum is σ = 7135605162. Its totient is φ = 7135605160.

The previous prime is 7135605149. The next prime is 7135605163. The reversal of 7135605161 is 1615065317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4225650025 + 2909955136 = 65005^2 + 53944^2 .

It is a cyclic number.

It is not a de Polignac number, because 7135605161 - 2¹⁴ = 7135588777 is a prime.

It is a super-2 number, since 2×7135605161² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 7135605163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7135605163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567802580 + 3567802581.

It is an arithmetic number, because the mean of its divisors is an integer number (3567802581).

Almost surely, 2^7135605161 is an apocalyptic number.

It is an amenable number.

7135605161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7135605161 is an equidigital number, since it uses as much as digits as its factorization.

7135605161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 7135605161 is about 84472.5112743785. The cubic root of 7135605161 is about 1925.2048051955.

The spelling of 7135605161 in words is "seven billion, one hundred thirty-five million, six hundred five thousand, one hundred sixty-one".