7115168614861 has 2 divisors, whose sum is σ = 7115168614862. Its totient is φ = 7115168614860.

The previous prime is 7115168614823. The next prime is 7115168614867. The reversal of 7115168614861 is 1684168615117.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6499287396900 + 615881217961 = 2549370^2 + 784781^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115168614861 - 2³¹ = 7113021131213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7115168614867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557584307430 + 3557584307431.

It is an arithmetic number, because the mean of its divisors is an integer number (3557584307431).

Almost surely, 2^{7115168614861} is an apocalyptic number.

It is an amenable number.

7115168614861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115168614861 is an equidigital number, since it uses as much as digits as its factorization.

7115168614861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 55.

The spelling of 7115168614861 in words is "seven trillion, one hundred fifteen billion, one hundred sixty-eight million, six hundred fourteen thousand, eight hundred sixty-one".