7115203217 has 2 divisors, whose sum is σ = 7115203218. Its totient is φ = 7115203216.

The previous prime is 7115203187. The next prime is 7115203231. The reversal of 7115203217 is 7123025117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5589207121 + 1525996096 = 74761^2 + 39064^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115203217 - 2⁶ = 7115203153 is a prime.

It is a super-2 number, since 2×7115203217² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7115203217.

It is not a weakly prime, because it can be changed into another prime (7115203247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557601608 + 3557601609.

It is an arithmetic number, because the mean of its divisors is an integer number (3557601609).

Almost surely, 2^7115203217 is an apocalyptic number.

It is an amenable number.

7115203217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115203217 is an equidigital number, since it uses as much as digits as its factorization.

7115203217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 7115203217 is about 84351.6639847727. The cubic root of 7115203217 is about 1923.3682212169.

The spelling of 7115203217 in words is "seven billion, one hundred fifteen million, two hundred three thousand, two hundred seventeen".