505123044505134 has 32 divisors (see below), whose sum is σ = 1103774371046784. Its totient is φ = 152833182509280.

The previous prime is 505123044504989. The next prime is 505123044505141. The reversal of 505123044505134 is 431505440321505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5860124944 + ... + 5860211139.

It is an arithmetic number, because the mean of its divisors is an integer number (34492949095212).

Almost surely, 2^{505123044505134} is an apocalyptic number.

505123044505134 is an abundant number, since it is smaller than the sum of its proper divisors (598651326541650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505123044505134 is a wasteful number, since it uses less digits than its factorization.

505123044505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720336752.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 505123044505134 its reverse (431505440321505), we get a palindrome (936628484826639).

The spelling of 505123044505134 in words is "five hundred five trillion, one hundred twenty-three billion, forty-four million, five hundred five thousand, one hundred thirty-four".