5565615651 has 16 divisors (see below), whose sum is σ = 8266141600. Its totient is φ = 3701057184.

The previous prime is 5565615607. The next prime is 5565615673. The reversal of 5565615651 is 1565165655.

It is not a de Polignac number, because 5565615651 - 2¹⁴ = 5565599267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5565615597 and 5565615606.

It is not an unprimeable number, because it can be changed into a prime (5565610651) 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, 248896 + ... + 270333.

It is an arithmetic number, because the mean of its divisors is an integer number (516633850).

Almost surely, 2^5565615651 is an apocalyptic number.

5565615651 is a deficient number, since it is larger than the sum of its proper divisors (2700525949).

5565615651 is a wasteful number, since it uses less digits than its factorization.

5565615651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519635 (or 519629 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The square root of 5565615651 is about 74603.0538986173. The cubic root of 5565615651 is about 1772.1660153343.

It can be divided in two parts, 556561565 and 1, that added together give a triangular number (556561566 = T₃₃₃₆₃).

The spelling of 5565615651 in words is "five billion, five hundred sixty-five million, six hundred fifteen thousand, six hundred fifty-one".