556065012761 has 16 divisors (see below), whose sum is σ = 627229915200. Its totient is φ = 489836648448.

The previous prime is 556065012731. The next prime is 556065012781. The reversal of 556065012761 is 167210560655.

It is a cyclic number.

It is not a de Polignac number, because 556065012761 - 2²⁶ = 555997903897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556065012731) 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 15 ways as a sum of consecutive naturals, for example, 10344056 + ... + 10397673.

It is an arithmetic number, because the mean of its divisors is an integer number (39201869700).

Almost surely, 2^556065012761 is an apocalyptic number.

It is an amenable number.

556065012761 is a deficient number, since it is larger than the sum of its proper divisors (71164902439).

556065012761 is a wasteful number, since it uses less digits than its factorization.

556065012761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20741848.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 556065012761 in words is "five hundred fifty-six billion, sixty-five million, twelve thousand, seven hundred sixty-one".