5615565061 has 2 divisors, whose sum is σ = 5615565062. Its totient is φ = 5615565060.

The previous prime is 5615564993. The next prime is 5615565089. The reversal of 5615565061 is 1605655165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4737568900 + 877996161 = 68830^2 + 29631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5615565061 - 2¹¹ = 5615563013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5615569061) 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 as a sum of consecutive naturals, namely, 2807782530 + 2807782531.

It is an arithmetic number, because the mean of its divisors is an integer number (2807782531).

Almost surely, 2^5615565061 is an apocalyptic number.

It is an amenable number.

5615565061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5615565061 is an equidigital number, since it uses as much as digits as its factorization.

5615565061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5615565061 is about 74937.0740087975. The cubic root of 5615565061 is about 1777.4517529268.

The spelling of 5615565061 in words is "five billion, six hundred fifteen million, five hundred sixty-five thousand, sixty-one".