5656560656505 has 32 divisors (see below), whose sum is σ = 9873418475520. Its totient is φ = 2742533484480.

The previous prime is 5656560656479. The next prime is 5656560656531. The reversal of 5656560656505 is 5056560656565.

It is an interprime number because it is at equal distance from previous prime (5656560656479) and next prime (5656560656531).

It is not a de Polignac number, because 5656560656505 - 2¹⁰ = 5656560655481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12660144 + ... + 13099326.

It is an arithmetic number, because the mean of its divisors is an integer number (308544327360).

Almost surely, 2^{5656560656505} is an apocalyptic number.

5656560656505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5656560656505 is a deficient number, since it is larger than the sum of its proper divisors (4216857819015).

5656560656505 is a wasteful number, since it uses less digits than its factorization.

5656560656505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517261.

The product of its (nonzero) digits is 121500000, while the sum is 60.

Adding to 5656560656505 its sum of digits (60), we get a palindrome (5656560656565).

The spelling of 5656560656505 in words is "five trillion, six hundred fifty-six billion, five hundred sixty million, six hundred fifty-six thousand, five hundred five".