511212411252 has 72 divisors (see below), whose sum is σ = 1313764976160. Its totient is φ = 167566029120.

The previous prime is 511212411217. The next prime is 511212411337. The reversal of 511212411252 is 252114212115.

511212411252 is a `hidden beast` number, since 5 + 11 + 212 + 411 + 25 + 2 = 666.

It is a super-2 number, since 2×511212411252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8796763 + ... + 8854685.

It is an arithmetic number, because the mean of its divisors is an integer number (18246735780).

Almost surely, 2^511212411252 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 511212411252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656882488080).

511212411252 is an abundant number, since it is smaller than the sum of its proper divisors (802552564908).

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

511212411252 is a wasteful number, since it uses less digits than its factorization.

511212411252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62013 (or 62008 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

Adding to 511212411252 its reverse (252114212115), we get a palindrome (763326623367).

The spelling of 511212411252 in words is "five hundred eleven billion, two hundred twelve million, four hundred eleven thousand, two hundred fifty-two".