6106566015989 has 2 divisors, whose sum is σ = 6106566015990. Its totient is φ = 6106566015988.

The previous prime is 6106566015971. The next prime is 6106566016063. The reversal of 6106566015989 is 9895106656016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5056125507889 + 1050440508100 = 2248583^2 + 1024910^2 .

It is a cyclic number.

It is not a de Polignac number, because 6106566015989 - 2⁸ = 6106566015733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6106566015889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053283007994 + 3053283007995.

It is an arithmetic number, because the mean of its divisors is an integer number (3053283007995).

Almost surely, 2^{6106566015989} is an apocalyptic number.

It is an amenable number.

6106566015989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6106566015989 is an equidigital number, since it uses as much as digits as its factorization.

6106566015989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 6106566015989 in words is "six trillion, one hundred six billion, five hundred sixty-six million, fifteen thousand, nine hundred eighty-nine".