505642632231051 has 48 divisors (see below), whose sum is σ = 835336946695680. Its totient is φ = 288722256036480.

The previous prime is 505642632230959. The next prime is 505642632231089. The reversal of 505642632231051 is 150132236246505.

505642632231051 is a `hidden beast` number, since 5 + 0 + 5 + 6 + 4 + 2 + 6 + 322 + 310 + 5 + 1 = 666.

It is not a de Polignac number, because 505642632231051 - 2¹⁰ = 505642632230027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505642632230988 and 505642632231006.

It is not an unprimeable number, because it can be changed into a prime (505642632235051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 622359556 + ... + 623171486.

It is an arithmetic number, because the mean of its divisors is an integer number (17402853056160).

Almost surely, 2^{505642632231051} is an apocalyptic number.

505642632231051 is a deficient number, since it is larger than the sum of its proper divisors (329694314464629).

505642632231051 is a wasteful number, since it uses less digits than its factorization.

505642632231051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819336 (or 819333 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

Adding to 505642632231051 its reverse (150132236246505), we get a palindrome (655774868477556).

The spelling of 505642632231051 in words is "five hundred five trillion, six hundred forty-two billion, six hundred thirty-two million, two hundred thirty-one thousand, fifty-one".