505223454011 has 2 divisors, whose sum is σ = 505223454012. Its totient is φ = 505223454010.

The previous prime is 505223453941. The next prime is 505223454031. The reversal of 505223454011 is 110454322505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505223454011 - 2³⁸ = 230345547067 is a prime.

It is not a weakly prime, because it can be changed into another prime (505223454031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252611727005 + 252611727006.

It is an arithmetic number, because the mean of its divisors is an integer number (252611727006).

Almost surely, 2^505223454011 is an apocalyptic number.

505223454011 is a deficient number, since it is larger than the sum of its proper divisors (1).

505223454011 is an equidigital number, since it uses as much as digits as its factorization.

505223454011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 505223454011 its reverse (110454322505), we get a palindrome (615677776516).

The spelling of 505223454011 in words is "five hundred five billion, two hundred twenty-three million, four hundred fifty-four thousand, eleven".