6565556152056 has 64 divisors (see below), whose sum is σ = 18083350051200. Its totient is φ = 1969863824000.

The previous prime is 6565556152049. The next prime is 6565556152061. The reversal of 6565556152056 is 6502516555656.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6565556151987 and 6565556152005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123089826 + ... + 123143153.

It is an arithmetic number, because the mean of its divisors is an integer number (282552344550).

Almost surely, 2^{6565556152056} is an apocalyptic number.

6565556152056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6565556152056 is an abundant number, since it is smaller than the sum of its proper divisors (11517793899144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6565556152056 is a wasteful number, since it uses less digits than its factorization.

6565556152056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246233100 (or 246233096 counting only the distinct ones).

The product of its (nonzero) digits is 40500000, while the sum is 57.

The spelling of 6565556152056 in words is "six trillion, five hundred sixty-five billion, five hundred fifty-six million, one hundred fifty-two thousand, fifty-six".