5561006505065 has 16 divisors (see below), whose sum is σ = 7514697355776. Its totient is φ = 3913904870400.

The previous prime is 5561006505049. The next prime is 5561006505071. The reversal of 5561006505065 is 5605056001655.

It is not a de Polignac number, because 5561006505065 - 2⁴ = 5561006505049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630791992 + ... + 1630795401.

It is an arithmetic number, because the mean of its divisors is an integer number (469668584736).

Almost surely, 2^{5561006505065} is an apocalyptic number.

5561006505065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5561006505065 is a deficient number, since it is larger than the sum of its proper divisors (1953690850711).

5561006505065 is a wasteful number, since it uses less digits than its factorization.

5561006505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261587440.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 5561006505065 in words is "five trillion, five hundred sixty-one billion, six million, five hundred five thousand, sixty-five".