516875870121500 has 48 divisors (see below), whose sum is σ = 1129315974564960. Its totient is φ = 206666268521600.

The previous prime is 516875870121493. The next prime is 516875870121553. The reversal of 516875870121500 is 5121078578615.

It is a super-2 number, since 2×516875870121500² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208968089 + ... + 211427088.

It is an arithmetic number, because the mean of its divisors is an integer number (23527416136770).

Almost surely, 2^{516875870121500} is an apocalyptic number.

516875870121500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

516875870121500 is an abundant number, since it is smaller than the sum of its proper divisors (612440104443460).

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

516875870121500 is a wasteful number, since it uses less digits than its factorization.

516875870121500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420397655 (or 420397643 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 56.

The spelling of 516875870121500 in words is "five hundred sixteen trillion, eight hundred seventy-five billion, eight hundred seventy million, one hundred twenty-one thousand, five hundred".