1560565661001 has 8 divisors (see below), whose sum is σ = 2080762621440. Its totient is φ = 1040372903952.

The previous prime is 1560565660967. The next prime is 1560565661021. The reversal of 1560565661001 is 1001665650651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1560565661001 - 2⁷ = 1560565660873 is a prime.

It is a super-3 number, since 3×1560565661001³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1560565661021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47785 + ... + 1767318.

It is an arithmetic number, because the mean of its divisors is an integer number (260095327680).

Almost surely, 2^{1560565661001} is an apocalyptic number.

It is an amenable number.

1560565661001 is a deficient number, since it is larger than the sum of its proper divisors (520196960439).

1560565661001 is a wasteful number, since it uses less digits than its factorization.

1560565661001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101695.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1560565661001 in words is "one trillion, five hundred sixty billion, five hundred sixty-five million, six hundred sixty-one thousand, one".