512616112500 has 72 divisors (see below), whose sum is σ = 1495034749152. Its totient is φ = 136697620000.

The previous prime is 512616112493. The next prime is 512616112577. The reversal of 512616112500 is 5211616215.

It is a super-2 number, since 2×512616112500² (a number of 24 digits) contains 22 as substring.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6797382 + ... + 6872381.

It is an arithmetic number, because the mean of its divisors is an integer number (20764371516).

Almost surely, 2^512616112500 is an apocalyptic number.

512616112500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

512616112500 is an abundant number, since it is smaller than the sum of its proper divisors (982418636652).

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

512616112500 is a wasteful number, since it uses less digits than its factorization.

512616112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669795 (or 13669773 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 512616112500 its reverse (5211616215), we get a palindrome (517827728715).

The spelling of 512616112500 in words is "five hundred twelve billion, six hundred sixteen million, one hundred twelve thousand, five hundred".