8813555055601 has 2 divisors, whose sum is σ = 8813555055602. Its totient is φ = 8813555055600.

The previous prime is 8813555055593. The next prime is 8813555055703. The reversal of 8813555055601 is 1065505553188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7363890895201 + 1449664160400 = 2713649^2 + 1204020^2 .

It is a cyclic number.

It is not a de Polignac number, because 8813555055601 - 2³ = 8813555055593 is a prime.

It is not a weakly prime, because it can be changed into another prime (8813555055001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406777527800 + 4406777527801.

It is an arithmetic number, because the mean of its divisors is an integer number (4406777527801).

Almost surely, 2^{8813555055601} is an apocalyptic number.

It is an amenable number.

8813555055601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813555055601 is an equidigital number, since it uses as much as digits as its factorization.

8813555055601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600000, while the sum is 52.

The spelling of 8813555055601 in words is "eight trillion, eight hundred thirteen billion, five hundred fifty-five million, fifty-five thousand, six hundred one".