1408605560561 has 4 divisors (see below), whose sum is σ = 1409896675824. Its totient is φ = 1407314445300.

The previous prime is 1408605560477. The next prime is 1408605560567. The reversal of 1408605560561 is 1650655068041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1408605560561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408605560567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645555995 + ... + 645558176.

It is an arithmetic number, because the mean of its divisors is an integer number (352474168956).

Almost surely, 2^{1408605560561} is an apocalyptic number.

It is an amenable number.

1408605560561 is a deficient number, since it is larger than the sum of its proper divisors (1291115263).

1408605560561 is a wasteful number, since it uses less digits than its factorization.

1408605560561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291115262.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 1408605560561 in words is "one trillion, four hundred eight billion, six hundred five million, five hundred sixty thousand, five hundred sixty-one".