5555172717841 has 2 divisors, whose sum is σ = 5555172717842. Its totient is φ = 5555172717840.

The previous prime is 5555172717839. The next prime is 5555172717859. The reversal of 5555172717841 is 1487172715555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4136834634241 + 1418338083600 = 2033921^2 + 1190940^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555172717841 - 2¹ = 5555172717839 is a prime.

Together with 5555172717839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5555172717881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777586358920 + 2777586358921.

It is an arithmetic number, because the mean of its divisors is an integer number (2777586358921).

Almost surely, 2^{5555172717841} is an apocalyptic number.

It is an amenable number.

5555172717841 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555172717841 is an equidigital number, since it uses as much as digits as its factorization.

5555172717841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720000, while the sum is 58.

The spelling of 5555172717841 in words is "five trillion, five hundred fifty-five billion, one hundred seventy-two million, seven hundred seventeen thousand, eight hundred forty-one".