52425312512 has 36 divisors (see below), whose sum is σ = 105023763516. Its totient is φ = 26117990400.

The previous prime is 52425312479. The next prime is 52425312523. The reversal of 52425312512 is 21521352425.

It can be written as a sum of positive squares in 2 ways, for example, as 20478754816 + 31946557696 = 143104^2 + 178736^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298739 + ... + 440562.

Almost surely, 2^52425312512 is an apocalyptic number.

It is an amenable number.

52425312512 is an abundant number, since it is smaller than the sum of its proper divisors (52598451004).

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

52425312512 is an equidigital number, since it uses as much as digits as its factorization.

52425312512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739594 (or 739580 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

Adding to 52425312512 its reverse (21521352425), we get a palindrome (73946664937).

The spelling of 52425312512 in words is "fifty-two billion, four hundred twenty-five million, three hundred twelve thousand, five hundred twelve".