520512136500 has 192 divisors, whose sum is σ = 1536890164992. Its totient is φ = 136876032000.

The previous prime is 520512136493. The next prime is 520512136517. The reversal of 520512136500 is 5631215025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 41170180 + ... + 41182820.

It is an arithmetic number, because the mean of its divisors is an integer number (8004636276).

Almost surely, 2^520512136500 is an apocalyptic number.

520512136500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520512136500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768445082496).

520512136500 is an abundant number, since it is smaller than the sum of its proper divisors (1016378028492).

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

520512136500 is a wasteful number, since it uses less digits than its factorization.

520512136500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043 (or 13031 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 520512136500 in words is "five hundred twenty billion, five hundred twelve million, one hundred thirty-six thousand, five hundred".