6120106561 has 2 divisors, whose sum is σ = 6120106562. Its totient is φ = 6120106560.

The previous prime is 6120106543. The next prime is 6120106567. The reversal of 6120106561 is 1656010216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6067631025 + 52475536 = 77895^2 + 7244^2 .

It is a cyclic number.

It is not a de Polignac number, because 6120106561 - 2⁵ = 6120106529 is a prime.

It is not a weakly prime, because it can be changed into another prime (6120106567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060053280 + 3060053281.

It is an arithmetic number, because the mean of its divisors is an integer number (3060053281).

Almost surely, 2^6120106561 is an apocalyptic number.

It is an amenable number.

6120106561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6120106561 is an equidigital number, since it uses as much as digits as its factorization.

6120106561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 6120106561 is about 78231.1099307686. The cubic root of 6120106561 is about 1829.1654710635.

Adding to 6120106561 its reverse (1656010216), we get a palindrome (7776116777).

The spelling of 6120106561 in words is "six billion, one hundred twenty million, one hundred six thousand, five hundred sixty-one".