503213051052 has 144 divisors (see below), whose sum is σ = 1295664420960. Its totient is φ = 164648484864.

The previous prime is 503213051027. The next prime is 503213051063. The reversal of 503213051052 is 250150312305.

It is a happy number.

503213051052 is a `hidden beast` number, since 50 + 3 + 21 + 30 + 510 + 52 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470731974 + ... + 470733042.

It is an arithmetic number, because the mean of its divisors is an integer number (8997669590).

Almost surely, 2^503213051052 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 503213051052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647832210480).

503213051052 is an abundant number, since it is smaller than the sum of its proper divisors (792451369908).

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

503213051052 is a wasteful number, since it uses less digits than its factorization.

503213051052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 503213051052 its reverse (250150312305), we get a palindrome (753363363357).

The spelling of 503213051052 in words is "five hundred three billion, two hundred thirteen million, fifty-one thousand, fifty-two".