555126049999 has 2 divisors, whose sum is σ = 555126050000. Its totient is φ = 555126049998.

The previous prime is 555126049997. The next prime is 555126050041. The reversal of 555126049999 is 999940621555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555126049999 - 2¹ = 555126049997 is a prime.

Together with 555126049997, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 555126049999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555126049997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277563024999 + 277563025000.

It is an arithmetic number, because the mean of its divisors is an integer number (277563025000).

Almost surely, 2^555126049999 is an apocalyptic number.

555126049999 is a deficient number, since it is larger than the sum of its proper divisors (1).

555126049999 is an equidigital number, since it uses as much as digits as its factorization.

555126049999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366000, while the sum is 64.

The spelling of 555126049999 in words is "five hundred fifty-five billion, one hundred twenty-six million, forty-nine thousand, nine hundred ninety-nine".