5665565101061 has 4 divisors (see below), whose sum is σ = 5772462555852. Its totient is φ = 5558667646272.

The previous prime is 5665565101039. The next prime is 5665565101073. The reversal of 5665565101061 is 1601015655665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2096431784836 + 3569133316225 = 1447906^2 + 1889215^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665565101061 - 2¹⁰ = 5665565100037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5665565100997 and 5665565101015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665565601061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53448727316 + ... + 53448727421.

It is an arithmetic number, because the mean of its divisors is an integer number (1443115638963).

Almost surely, 2^{5665565101061} is an apocalyptic number.

It is an amenable number.

5665565101061 is a deficient number, since it is larger than the sum of its proper divisors (106897454791).

5665565101061 is a wasteful number, since it uses less digits than its factorization.

5665565101061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106897454790.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 5665565101061 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, one hundred one thousand, sixty-one".