556705521099 has 24 divisors (see below), whose sum is σ = 989698705632. Its totient is φ = 293646867840.

The previous prime is 556705521083. The next prime is 556705521157. The reversal of 556705521099 is 990125507655.

556705521099 is a `hidden beast` number, since 5 + 5 + 6 + 70 + 552 + 10 + 9 + 9 = 666.

556705521099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556705521099 - 2⁴ = 556705521083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556705521299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339868242 + ... + 339869879.

It is an arithmetic number, because the mean of its divisors is an integer number (41237446068).

Almost surely, 2^556705521099 is an apocalyptic number.

556705521099 is a deficient number, since it is larger than the sum of its proper divisors (432993184533).

556705521099 is a wasteful number, since it uses less digits than its factorization.

556705521099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679738147 (or 679738144 counting only the distinct ones).

The product of its (nonzero) digits is 4252500, while the sum is 54.

The spelling of 556705521099 in words is "five hundred fifty-six billion, seven hundred five million, five hundred twenty-one thousand, ninety-nine".