556352111999 has 2 divisors, whose sum is σ = 556352112000. Its totient is φ = 556352111998.

The previous prime is 556352111989. The next prime is 556352112011. The reversal of 556352111999 is 999111253655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556352111999 - 2¹⁶ = 556352046463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556352111929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278176055999 + 278176056000.

It is an arithmetic number, because the mean of its divisors is an integer number (278176056000).

Almost surely, 2^556352111999 is an apocalyptic number.

556352111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

556352111999 is an equidigital number, since it uses as much as digits as its factorization.

556352111999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3280500, while the sum is 56.

The spelling of 556352111999 in words is "five hundred fifty-six billion, three hundred fifty-two million, one hundred eleven thousand, nine hundred ninety-nine".