5006661056555 has 32 divisors (see below), whose sum is σ = 6450747211584. Its totient is φ = 3716812763136.

The previous prime is 5006661056531. The next prime is 5006661056591. The reversal of 5006661056555 is 5556501666005.

It is a cyclic number.

It is not a de Polignac number, because 5006661056555 - 2¹⁸ = 5006660794411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18249257 + ... + 18521573.

It is an arithmetic number, because the mean of its divisors is an integer number (201585850362).

Almost surely, 2^{5006661056555} is an apocalyptic number.

5006661056555 is a deficient number, since it is larger than the sum of its proper divisors (1444086155029).

5006661056555 is a wasteful number, since it uses less digits than its factorization.

5006661056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275375.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 5006661056555 in words is "five trillion, six billion, six hundred sixty-one million, fifty-six thousand, five hundred fifty-five".