505123044505102 has 32 divisors (see below), whose sum is σ = 821955437733024. Its totient is φ = 231869463168000.

The previous prime is 505123044504989. The next prime is 505123044505141. The reversal of 505123044505102 is 201505440321505.

It is a super-2 number, since 2×505123044505102² (a number of 30 digits) contains 22 as substring.

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, 20992024 + ... + 38090827.

It is an arithmetic number, because the mean of its divisors is an integer number (25686107429157).

Almost surely, 2^{505123044505102} is an apocalyptic number.

505123044505102 is a deficient number, since it is larger than the sum of its proper divisors (316832393227922).

505123044505102 is a wasteful number, since it uses less digits than its factorization.

505123044505102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59089044.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 505123044505102 its reverse (201505440321505), we get a palindrome (706628484826607).

The spelling of 505123044505102 in words is "five hundred five trillion, one hundred twenty-three billion, forty-four million, five hundred five thousand, one hundred two".