200505542099 has 2 divisors, whose sum is σ = 200505542100. Its totient is φ = 200505542098.

The previous prime is 200505542093. The next prime is 200505542113. The reversal of 200505542099 is 990245505002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200505542099 is a prime.

It is a super-2 number, since 2×200505542099² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200505542093) 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, 100252771049 + 100252771050.

It is an arithmetic number, because the mean of its divisors is an integer number (100252771050).

Almost surely, 2^200505542099 is an apocalyptic number.

200505542099 is a deficient number, since it is larger than the sum of its proper divisors (1).

200505542099 is an equidigital number, since it uses as much as digits as its factorization.

200505542099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 200505542099 in words is "two hundred billion, five hundred five million, five hundred forty-two thousand, ninety-nine".