505153032102120 has 32 divisors (see below), whose sum is σ = 1515459096306720. Its totient is φ = 134707475227200.

The previous prime is 505153032102113. The next prime is 505153032102127. The reversal of 505153032102120 is 21201230351505.

It is an interprime number because it is at equal distance from previous prime (505153032102113) and next prime (505153032102127).

It is a super-2 number, since 2×505153032102120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (505153032102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104804300306 + ... + 2104804300545.

It is an arithmetic number, because the mean of its divisors is an integer number (47358096759585).

Almost surely, 2^{505153032102120} is an apocalyptic number.

It is an amenable number.

505153032102120 is an abundant number, since it is smaller than the sum of its proper divisors (1010306064204600).

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

505153032102120 is a wasteful number, since it uses less digits than its factorization.

505153032102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209608600865 (or 4209608600861 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 505153032102120 its reverse (21201230351505), we get a palindrome (526354262453625).

The spelling of 505153032102120 in words is "five hundred five trillion, one hundred fifty-three billion, thirty-two million, one hundred two thousand, one hundred twenty".