533611501212 has 96 divisors (see below), whose sum is σ = 1352268933120. Its totient is φ = 163129512960.

The previous prime is 533611501177. The next prime is 533611501217. The reversal of 533611501212 is 212105116335.

It is a self number, because there is not a number n which added to its sum of digits gives 533611501212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533611501217) 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 31 ways as a sum of consecutive naturals, for example, 2074137 + ... + 2317167.

It is an arithmetic number, because the mean of its divisors is an integer number (14086134720).

Almost surely, 2^533611501212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533611501212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676134466560).

533611501212 is an abundant number, since it is smaller than the sum of its proper divisors (818657431908).

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

533611501212 is a wasteful number, since it uses less digits than its factorization.

533611501212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243331 (or 243329 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 533611501212 its reverse (212105116335), we get a palindrome (745716617547).

The spelling of 533611501212 in words is "five hundred thirty-three billion, six hundred eleven million, five hundred one thousand, two hundred twelve".