505212641051 has 2 divisors, whose sum is σ = 505212641052. Its totient is φ = 505212641050.

The previous prime is 505212641047. The next prime is 505212641053. The reversal of 505212641051 is 150146212505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505212641051 - 2² = 505212641047 is a prime.

Together with 505212641053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 505212640999 and 505212641017.

It is not a weakly prime, because it can be changed into another prime (505212641053) 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, 252606320525 + 252606320526.

It is an arithmetic number, because the mean of its divisors is an integer number (252606320526).

Almost surely, 2^505212641051 is an apocalyptic number.

505212641051 is a deficient number, since it is larger than the sum of its proper divisors (1).

505212641051 is an equidigital number, since it uses as much as digits as its factorization.

505212641051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 505212641051 its reverse (150146212505), we get a palindrome (655358853556).

The spelling of 505212641051 in words is "five hundred five billion, two hundred twelve million, six hundred forty-one thousand, fifty-one".