56581326888303 has 16 divisors (see below), whose sum is σ = 86219396248320. Its totient is φ = 32332099993536.

The previous prime is 56581326888293. The next prime is 56581326888367. The reversal of 56581326888303 is 30388862318565.

It is not a de Polignac number, because 56581326888303 - 2⁴ = 56581326888287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56581326888403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4853203 + ... + 11692571.

It is an arithmetic number, because the mean of its divisors is an integer number (5388712265520).

Almost surely, 2^{56581326888303} is an apocalyptic number.

56581326888303 is a deficient number, since it is larger than the sum of its proper divisors (29638069360017).

56581326888303 is a wasteful number, since it uses less digits than its factorization.

56581326888303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233326.

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 56581326888303 in words is "fifty-six trillion, five hundred eighty-one billion, three hundred twenty-six million, eight hundred eighty-eight thousand, three hundred three".