505100055959 has 2 divisors, whose sum is σ = 505100055960. Its totient is φ = 505100055958.

The previous prime is 505100055899. The next prime is 505100056037. The reversal of 505100055959 is 959550001505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505100055959 - 2²⁰ = 505099007383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505100055659) 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, 252550027979 + 252550027980.

It is an arithmetic number, because the mean of its divisors is an integer number (252550027980).

Almost surely, 2^505100055959 is an apocalyptic number.

505100055959 is a deficient number, since it is larger than the sum of its proper divisors (1).

505100055959 is an equidigital number, since it uses as much as digits as its factorization.

505100055959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 253125, while the sum is 44.

The spelling of 505100055959 in words is "five hundred five billion, one hundred million, fifty-five thousand, nine hundred fifty-nine".