5506661566011 has 8 divisors (see below), whose sum is σ = 7344629841744. Its totient is φ = 3669900500480.

The previous prime is 5506661565973. The next prime is 5506661566061. The reversal of 5506661566011 is 1106651666055.

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

It is a cyclic number.

It is not a de Polignac number, because 5506661566011 - 2¹⁹ = 5506661041723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5506661566061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301791906 + ... + 301810151.

It is an arithmetic number, because the mean of its divisors is an integer number (918078730218).

Almost surely, 2^{5506661566011} is an apocalyptic number.

5506661566011 is a deficient number, since it is larger than the sum of its proper divisors (1837968275733).

5506661566011 is a wasteful number, since it uses less digits than its factorization.

5506661566011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603605101.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 5506661566011 in words is "five trillion, five hundred six billion, six hundred sixty-one million, five hundred sixty-six thousand, eleven".