558119378907781 has 2 divisors, whose sum is σ = 558119378907782. Its totient is φ = 558119378907780.

The previous prime is 558119378907763. The next prime is 558119378907787. The reversal of 558119378907781 is 187709873911855.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547494060785281 + 10625318122500 = 23398591^2 + 3259650^2 .

It is a cyclic number.

It is not a de Polignac number, because 558119378907781 - 2⁹ = 558119378907269 is a prime.

It is a super-2 number, since 2×558119378907781² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (558119378907787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279059689453890 + 279059689453891.

It is an arithmetic number, because the mean of its divisors is an integer number (279059689453891).

Almost surely, 2^{558119378907781} is an apocalyptic number.

It is an amenable number.

558119378907781 is a deficient number, since it is larger than the sum of its proper divisors (1).

558119378907781 is an equidigital number, since it uses as much as digits as its factorization.

558119378907781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1066867200, while the sum is 79.

The spelling of 558119378907781 in words is "five hundred fifty-eight trillion, one hundred nineteen billion, three hundred seventy-eight million, nine hundred seven thousand, seven hundred eighty-one".