6555622015001 has 2 divisors, whose sum is σ = 6555622015002. Its totient is φ = 6555622015000.

The previous prime is 6555622014971. The next prime is 6555622015003. The reversal of 6555622015001 is 1005102265556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4425995478025 + 2129626536976 = 2103805^2 + 1459324^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555622015001 - 2¹⁴ = 6555621998617 is a prime.

Together with 6555622015003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6555622015003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277811007500 + 3277811007501.

It is an arithmetic number, because the mean of its divisors is an integer number (3277811007501).

Almost surely, 2^{6555622015001} is an apocalyptic number.

It is an amenable number.

6555622015001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555622015001 is an equidigital number, since it uses as much as digits as its factorization.

6555622015001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 6555622015001 in words is "six trillion, five hundred fifty-five billion, six hundred twenty-two million, fifteen thousand, one".