65564465611 has 8 divisors (see below), whose sum is σ = 66686054400. Its totient is φ = 64443221160.

The previous prime is 65564465599. The next prime is 65564465623. The reversal of 65564465611 is 11656446556.

It is an interprime number because it is at equal distance from previous prime (65564465599) and next prime (65564465623).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65564465611 - 2⁵ = 65564465579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65564465651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313726 + ... + 479116.

It is an arithmetic number, because the mean of its divisors is an integer number (8335756800).

Almost surely, 2^65564465611 is an apocalyptic number.

65564465611 is a deficient number, since it is larger than the sum of its proper divisors (1121588789).

65564465611 is a wasteful number, since it uses less digits than its factorization.

65564465611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172169.

The product of its digits is 2592000, while the sum is 49.

The spelling of 65564465611 in words is "sixty-five billion, five hundred sixty-four million, four hundred sixty-five thousand, six hundred eleven".