505100540125200 has 120 divisors (see below), whose sum is σ = 1618381956418528. Its totient is φ = 134662130058240.

The previous prime is 505100540125199. The next prime is 505100540125261. The reversal of 505100540125200 is 2521045001505.

It is a tau number, because it is divible by the number of its divisors (120).

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

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, 43821622 + ... + 54134421.

Almost surely, 2^{505100540125200} is an apocalyptic number.

505100540125200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505100540125200 is an abundant number, since it is smaller than the sum of its proper divisors (1113281416293328).

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

505100540125200 is a wasteful number, since it uses less digits than its factorization.

505100540125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97960361 (or 97960350 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 505100540125200 its reverse (2521045001505), we get a palindrome (507621585126705).

The spelling of 505100540125200 in words is "five hundred five trillion, one hundred billion, five hundred forty million, one hundred twenty-five thousand, two hundred".