505351450505 has 16 divisors (see below), whose sum is σ = 661567855104. Its totient is φ = 367518958080.

The previous prime is 505351450447. The next prime is 505351450547. The reversal of 505351450505 is 505054153505.

It is a happy number.

It is not a de Polignac number, because 505351450505 - 2¹⁰ = 505351449481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648057 + ... + 2832473.

It is an arithmetic number, because the mean of its divisors is an integer number (41347990944).

Almost surely, 2^505351450505 is an apocalyptic number.

505351450505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505351450505 is a deficient number, since it is larger than the sum of its proper divisors (156216404599).

505351450505 is a wasteful number, since it uses less digits than its factorization.

505351450505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234256.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 505351450505 in words is "five hundred five billion, three hundred fifty-one million, four hundred fifty thousand, five hundred five".