7155065117 has 2 divisors, whose sum is σ = 7155065118. Its totient is φ = 7155065116.

The previous prime is 7155065083. The next prime is 7155065123. The reversal of 7155065117 is 7115605517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6501035641 + 654029476 = 80629^2 + 25574^2 .

It is a cyclic number.

It is not a de Polignac number, because 7155065117 - 2¹⁰ = 7155064093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7155065167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577532558 + 3577532559.

It is an arithmetic number, because the mean of its divisors is an integer number (3577532559).

Almost surely, 2^7155065117 is an apocalyptic number.

It is an amenable number.

7155065117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7155065117 is an equidigital number, since it uses as much as digits as its factorization.

7155065117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 38.

The square root of 7155065117 is about 84587.6179886867. The cubic root of 7155065117 is about 1926.9533322085.

The spelling of 7155065117 in words is "seven billion, one hundred fifty-five million, sixty-five thousand, one hundred seventeen".