61506160010017 has 2 divisors, whose sum is σ = 61506160010018. Its totient is φ = 61506160010016.

The previous prime is 61506160009999. The next prime is 61506160010093. The reversal of 61506160010017 is 71001006160516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34836330777361 + 26669829232656 = 5902231^2 + 5164284^2 .

It is a cyclic number.

It is not a de Polignac number, because 61506160010017 - 2¹¹ = 61506160007969 is a prime.

It is not a weakly prime, because it can be changed into another prime (61506160010117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30753080005008 + 30753080005009.

It is an arithmetic number, because the mean of its divisors is an integer number (30753080005009).

Almost surely, 2^{61506160010017} is an apocalyptic number.

It is an amenable number.

61506160010017 is a deficient number, since it is larger than the sum of its proper divisors (1).

61506160010017 is an equidigital number, since it uses as much as digits as its factorization.

61506160010017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 61506160010017 in words is "sixty-one trillion, five hundred six billion, one hundred sixty million, ten thousand, seventeen".