505315510000 has 100 divisors (see below), whose sum is σ = 1398193772272. Its totient is φ = 173251008000.

The previous prime is 505315509977. The next prime is 505315510001. The reversal of 505315510000 is 15513505.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505315510001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3539397 + ... + 3679396.

Almost surely, 2^505315510000 is an apocalyptic number.

505315510000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505315510000 is an abundant number, since it is smaller than the sum of its proper divisors (892878262272).

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

505315510000 is an equidigital number, since it uses as much as digits as its factorization.

505315510000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218828 (or 7218807 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The spelling of 505315510000 in words is "five hundred five billion, three hundred fifteen million, five hundred ten thousand".