5605105606061 has 4 divisors (see below), whose sum is σ = 6036267575772. Its totient is φ = 5173943636352.

The previous prime is 5605105606039. The next prime is 5605105606063. The reversal of 5605105606061 is 1606065015065.

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 654814350436 + 4950291255625 = 809206^2 + 2224925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5605105606061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605105606063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215580984836 + ... + 215580984861.

It is an arithmetic number, because the mean of its divisors is an integer number (1509066893943).

Almost surely, 2^{5605105606061} is an apocalyptic number.

It is an amenable number.

5605105606061 is a deficient number, since it is larger than the sum of its proper divisors (431161969711).

5605105606061 is a wasteful number, since it uses less digits than its factorization.

5605105606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431161969710.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 5605105606061 in words is "five trillion, six hundred five billion, one hundred five million, six hundred six thousand, sixty-one".