6715436885056 has 21 divisors (see below), whose sum is σ = 13325986207639. Its totient is φ = 3357708076864.

The previous prime is 6715436885011. The next prime is 6715436885107. The reversal of 6715436885056 is 6505886345176.

It is a happy number.

The square root of 6715436885056 is 2591416.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×6715436885056² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20569365 + ... + 20893291.

Almost surely, 2^{6715436885056} is an apocalyptic number.

6715436885056 is the 2591416-th square number.

It is an amenable number.

6715436885056 is a deficient number, since it is larger than the sum of its proper divisors (6610549322583).

6715436885056 is an frugal number, since it uses more digits than its factorization.

6715436885056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647866 (or 323929 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 64.

Multiplying 6715436885056 by its sum of digits (64), we get a square (429787960643584 = 20731328²).

6715436885056 divided by its sum of digits (64) gives a square (104928701329 = 323927²).

The spelling of 6715436885056 in words is "six trillion, seven hundred fifteen billion, four hundred thirty-six million, eight hundred eighty-five thousand, fifty-six".