200518156799 has 2 divisors, whose sum is σ = 200518156800. Its totient is φ = 200518156798.

The previous prime is 200518156789. The next prime is 200518156823. The reversal of 200518156799 is 997651815002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200518156799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200518156799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200518156739) 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, 100259078399 + 100259078400.

It is an arithmetic number, because the mean of its divisors is an integer number (100259078400).

Almost surely, 2^200518156799 is an apocalyptic number.

200518156799 is a deficient number, since it is larger than the sum of its proper divisors (1).

200518156799 is an equidigital number, since it uses as much as digits as its factorization.

200518156799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 200518156799 in words is "two hundred billion, five hundred eighteen million, one hundred fifty-six thousand, seven hundred ninety-nine".