1560495505 has 4 divisors (see below), whose sum is σ = 1872594612. Its totient is φ = 1248396400.

The previous prime is 1560495491. The next prime is 1560495619. The reversal of 1560495505 is 5055940651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 712462864 + 848032641 = 26692^2 + 29121^2 .

It is not a de Polignac number, because 1560495505 - 2⁹ = 1560494993 is a prime.

It is a super-2 number, since 2×1560495505² = 4870292442250410050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 156049546 + ... + 156049555.

It is an arithmetic number, because the mean of its divisors is an integer number (468148653).

Almost surely, 2^1560495505 is an apocalyptic number.

It is an amenable number.

1560495505 is a deficient number, since it is larger than the sum of its proper divisors (312099107).

1560495505 is an equidigital number, since it uses as much as digits as its factorization.

1560495505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312099106.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 1560495505 is about 39503.1075359901. The cubic root of 1560495505 is about 1159.9007805049.

The spelling of 1560495505 in words is "one billion, five hundred sixty million, four hundred ninety-five thousand, five hundred five".