505100059913 has 2 divisors, whose sum is σ = 505100059914. Its totient is φ = 505100059912.

The previous prime is 505100059909. The next prime is 505100059967. The reversal of 505100059913 is 319950001505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357253657849 + 147846402064 = 597707^2 + 384508^2 .

It is a cyclic number.

It is not a de Polignac number, because 505100059913 - 2² = 505100059909 is a prime.

It is not a weakly prime, because it can be changed into another prime (505100050913) 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, 252550029956 + 252550029957.

It is an arithmetic number, because the mean of its divisors is an integer number (252550029957).

Almost surely, 2^505100059913 is an apocalyptic number.

It is an amenable number.

505100059913 is a deficient number, since it is larger than the sum of its proper divisors (1).

505100059913 is an equidigital number, since it uses as much as digits as its factorization.

505100059913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30375, while the sum is 38.

The spelling of 505100059913 in words is "five hundred five billion, one hundred million, fifty-nine thousand, nine hundred thirteen".