5555555555441 has 2 divisors, whose sum is σ = 5555555555442. Its totient is φ = 5555555555440.

The previous prime is 5555555555401. The next prime is 5555555555507. The reversal of 5555555555441 is 1445555555555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5076892214416 + 478663341025 = 2253196^2 + 691855^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555555555441 - 2⁴² = 1157509044337 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (5555555555401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777777777720 + 2777777777721.

It is an arithmetic number, because the mean of its divisors is an integer number (2777777777721).

Almost surely, 2^{5555555555441} is an apocalyptic number.

It is an amenable number.

5555555555441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555555555441 is an equidigital number, since it uses as much as digits as its factorization.

5555555555441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156250000, while the sum is 59.

The spelling of 5555555555441 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred forty-one".