505000510500 has 96 divisors (see below), whose sum is σ = 1488279461760. Its totient is φ = 133044278400.

The previous prime is 505000510493. The next prime is 505000510627. The reversal of 505000510500 is 5015000505.

It is a super-2 number, since 2×505000510500² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903615 + ... + 2152614.

It is an arithmetic number, because the mean of its divisors is an integer number (15502911060).

Almost surely, 2^505000510500 is an apocalyptic number.

505000510500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505000510500 is an abundant number, since it is smaller than the sum of its proper divisors (983278951260).

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

505000510500 is a wasteful number, since it uses less digits than its factorization.

505000510500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056334 (or 4056322 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 505000510500 in words is "five hundred five billion, five hundred ten thousand, five hundred".