6500500605601 has 2 divisors, whose sum is σ = 6500500605602. Its totient is φ = 6500500605600.

The previous prime is 6500500605479. The next prime is 6500500605629. The reversal of 6500500605601 is 1065060050056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6484030733376 + 16469872225 = 2546376^2 + 128335^2 .

It is a cyclic number.

It is not a de Polignac number, because 6500500605601 - 2²⁷ = 6500366387873 is a prime.

It is not a weakly prime, because it can be changed into another prime (6500500605631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250250302800 + 3250250302801.

It is an arithmetic number, because the mean of its divisors is an integer number (3250250302801).

Almost surely, 2^{6500500605601} is an apocalyptic number.

It is an amenable number.

6500500605601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6500500605601 is an equidigital number, since it uses as much as digits as its factorization.

6500500605601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 6500500605601 its reverse (1065060050056), we get a palindrome (7565560655657).

The spelling of 6500500605601 in words is "six trillion, five hundred billion, five hundred million, six hundred five thousand, six hundred one".