505124054724031 has 2 divisors, whose sum is σ = 505124054724032. Its totient is φ = 505124054724030.

The previous prime is 505124054723983. The next prime is 505124054724061. The reversal of 505124054724031 is 130427450421505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505124054724031 is a prime.

It is a super-2 number, since 2×505124054724031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505124054724061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252562027362015 + 252562027362016.

It is an arithmetic number, because the mean of its divisors is an integer number (252562027362016).

Almost surely, 2^{505124054724031} is an apocalyptic number.

505124054724031 is a deficient number, since it is larger than the sum of its proper divisors (1).

505124054724031 is an equidigital number, since it uses as much as digits as its factorization.

505124054724031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 505124054724031 in words is "five hundred five trillion, one hundred twenty-four billion, fifty-four million, seven hundred twenty-four thousand, thirty-one".