503145210000 has 400 divisors, whose sum is σ = 1658280730304. Its totient is φ = 131383296000.

The previous prime is 503145209947. The next prime is 503145210097. The reversal of 503145210000 is 12541305.

It is a tau number, because it is divible by the number of its divisors (400).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 387929352 + ... + 387930648.

Almost surely, 2^503145210000 is an apocalyptic number.

503145210000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503145210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829140365152).

503145210000 is an abundant number, since it is smaller than the sum of its proper divisors (1155135520304).

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

503145210000 is a wasteful number, since it uses less digits than its factorization.

503145210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 503145210000 its reverse (12541305), we get a palindrome (503157751305).

The spelling of 503145210000 in words is "five hundred three billion, one hundred forty-five million, two hundred ten thousand".