5565061501 has 2 divisors, whose sum is σ = 5565061502. Its totient is φ = 5565061500.

The previous prime is 5565061499. The next prime is 5565061507. The reversal of 5565061501 is 1051605655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3727224601 + 1837836900 = 61051^2 + 42870^2 .

It is a cyclic number.

It is not a de Polignac number, because 5565061501 - 2¹ = 5565061499 is a prime.

Together with 5565061499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5565061507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782530750 + 2782530751.

It is an arithmetic number, because the mean of its divisors is an integer number (2782530751).

Almost surely, 2^5565061501 is an apocalyptic number.

It is an amenable number.

5565061501 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565061501 is an equidigital number, since it uses as much as digits as its factorization.

5565061501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 5565061501 is about 74599.3398161137. The cubic root of 5565061501 is about 1772.1071971398.

The spelling of 5565061501 in words is "five billion, five hundred sixty-five million, sixty-one thousand, five hundred one".