503515163343426 has 96 divisors (see below), whose sum is σ = 1091713317552000. Its totient is φ = 154748714545152.

The previous prime is 503515163343391. The next prime is 503515163343427. The reversal of 503515163343426 is 624343361515305.

It is not an unprimeable number, because it can be changed into a prime (503515163343427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9559238626 + ... + 9559291298.

It is an arithmetic number, because the mean of its divisors is an integer number (11372013724500).

Almost surely, 2^{503515163343426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503515163343426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545856658776000).

503515163343426 is an abundant number, since it is smaller than the sum of its proper divisors (588198154208574).

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

503515163343426 is a wasteful number, since it uses less digits than its factorization.

503515163343426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63420 (or 63407 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 51.

The spelling of 503515163343426 in words is "five hundred three trillion, five hundred fifteen billion, one hundred sixty-three million, three hundred forty-three thousand, four hundred twenty-six".