511352535132 has 72 divisors (see below), whose sum is σ = 1324635333840. Its totient is φ = 166227790080.

The previous prime is 511352535007. The next prime is 511352535143. The reversal of 511352535132 is 231535253115.

511352535132 is a `hidden beast` number, since 5 + 1 + 135 + 2 + 5 + 3 + 513 + 2 = 666.

It is a super-2 number, since 2×511352535132² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3739438 + ... + 3873770.

It is an arithmetic number, because the mean of its divisors is an integer number (18397712970).

Almost surely, 2^511352535132 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 511352535132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662317666920).

511352535132 is an abundant number, since it is smaller than the sum of its proper divisors (813282798708).

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

511352535132 is a wasteful number, since it uses less digits than its factorization.

511352535132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136963 (or 136958 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

Adding to 511352535132 its reverse (231535253115), we get a palindrome (742887788247).

The spelling of 511352535132 in words is "five hundred eleven billion, three hundred fifty-two million, five hundred thirty-five thousand, one hundred thirty-two".