56541105205 has 64 divisors (see below), whose sum is σ = 78503136768. Its totient is φ = 38722682880.

The previous prime is 56541105197. The next prime is 56541105209. The reversal of 56541105205 is 50250114565.

It is not a de Polignac number, because 56541105205 - 2³ = 56541105197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56541105209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57871677 + ... + 57872653.

It is an arithmetic number, because the mean of its divisors is an integer number (1226611512).

Almost surely, 2^56541105205 is an apocalyptic number.

It is an amenable number.

56541105205 is a deficient number, since it is larger than the sum of its proper divisors (21962031563).

56541105205 is a wasteful number, since it uses less digits than its factorization.

56541105205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 56541105205 in words is "fifty-six billion, five hundred forty-one million, one hundred five thousand, two hundred five".