6115168615109 has 2 divisors, whose sum is σ = 6115168615110. Its totient is φ = 6115168615108.

The previous prime is 6115168615067. The next prime is 6115168615151. The reversal of 6115168615109 is 9015168615116.

It is a balanced prime because it is at equal distance from previous prime (6115168615067) and next prime (6115168615151).

It can be written as a sum of positive squares in only one way, i.e., 5962768166884 + 152400448225 = 2441878^2 + 390385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6115168615109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6115168618109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057584307554 + 3057584307555.

It is an arithmetic number, because the mean of its divisors is an integer number (3057584307555).

Almost surely, 2^{6115168615109} is an apocalyptic number.

It is an amenable number.

6115168615109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6115168615109 is an equidigital number, since it uses as much as digits as its factorization.

6115168615109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 50.

The spelling of 6115168615109 in words is "six trillion, one hundred fifteen billion, one hundred sixty-eight million, six hundred fifteen thousand, one hundred nine".