5531254455109 has 2 divisors, whose sum is σ = 5531254455110. Its totient is φ = 5531254455108.

The previous prime is 5531254455107. The next prime is 5531254455121. The reversal of 5531254455109 is 9015544521355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2864166988225 + 2667087466884 = 1692385^2 + 1633122^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531254455109 - 2¹ = 5531254455107 is a prime.

Together with 5531254455107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5531254455107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765627227554 + 2765627227555.

It is an arithmetic number, because the mean of its divisors is an integer number (2765627227555).

Almost surely, 2^{5531254455109} is an apocalyptic number.

It is an amenable number.

5531254455109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531254455109 is an equidigital number, since it uses as much as digits as its factorization.

5531254455109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 5531254455109 in words is "five trillion, five hundred thirty-one billion, two hundred fifty-four million, four hundred fifty-five thousand, one hundred nine".