505264123670126 has 64 divisors (see below), whose sum is σ = 797256106859520. Its totient is φ = 239698374474240.

The previous prime is 505264123670113. The next prime is 505264123670129. The reversal of 505264123670126 is 621076321462505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505264123670129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15945454655 + ... + 15945486341.

It is an arithmetic number, because the mean of its divisors is an integer number (12457126669680).

Almost surely, 2^{505264123670126} is an apocalyptic number.

505264123670126 is a deficient number, since it is larger than the sum of its proper divisors (291991983189394).

505264123670126 is a wasteful number, since it uses less digits than its factorization.

505264123670126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37569.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 505264123670126 in words is "five hundred five trillion, two hundred sixty-four billion, one hundred twenty-three million, six hundred seventy thousand, one hundred twenty-six".