5565161401 has 2 divisors, whose sum is σ = 5565161402. Its totient is φ = 5565161400.

The previous prime is 5565161377. The next prime is 5565161423. The reversal of 5565161401 is 1041615655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5256105001 + 309056400 = 72499^2 + 17580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5565161401 is a prime.

It is not a weakly prime, because it can be changed into another prime (5565161501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782580700 + 2782580701.

It is an arithmetic number, because the mean of its divisors is an integer number (2782580701).

Almost surely, 2^5565161401 is an apocalyptic number.

It is an amenable number.

5565161401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565161401 is an equidigital number, since it uses as much as digits as its factorization.

5565161401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 5565161401 is about 74600.0093900798. The cubic root of 5565161401 is about 1772.1178009429.

The spelling of 5565161401 in words is "five billion, five hundred sixty-five million, one hundred sixty-one thousand, four hundred one".