5665503653263 has 2 divisors, whose sum is σ = 5665503653264. Its totient is φ = 5665503653262.

The previous prime is 5665503653261. The next prime is 5665503653267. The reversal of 5665503653263 is 3623563055665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665503653263 - 2¹ = 5665503653261 is a prime.

Together with 5665503653261, 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 (5665503653261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832751826631 + 2832751826632.

It is an arithmetic number, because the mean of its divisors is an integer number (2832751826632).

Almost surely, 2^{5665503653263} is an apocalyptic number.

5665503653263 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665503653263 is an equidigital number, since it uses as much as digits as its factorization.

5665503653263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740000, while the sum is 55.

The spelling of 5665503653263 in words is "five trillion, six hundred sixty-five billion, five hundred three million, six hundred fifty-three thousand, two hundred sixty-three".