15045566017 has 2 divisors, whose sum is σ = 15045566018. Its totient is φ = 15045566016.

The previous prime is 15045565979. The next prime is 15045566021. The reversal of 15045566017 is 71066554051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15038362161 + 7203856 = 122631^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045566017 - 2⁷ = 15045565889 is a prime.

It is not a weakly prime, because it can be changed into another prime (15045566057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7522783008 + 7522783009.

It is an arithmetic number, because the mean of its divisors is an integer number (7522783009).

Almost surely, 2^15045566017 is an apocalyptic number.

It is an amenable number.

15045566017 is a deficient number, since it is larger than the sum of its proper divisors (1).

15045566017 is an equidigital number, since it uses as much as digits as its factorization.

15045566017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 15045566017 in words is "fifteen billion, forty-five million, five hundred sixty-six thousand, seventeen".