505717012116 has 96 divisors (see below), whose sum is σ = 1345021870080. Its totient is φ = 164245478112.

The previous prime is 505717012049. The next prime is 505717012123. The reversal of 505717012116 is 611210717505.

It is a happy number.

505717012116 is a `hidden beast` number, since 5 + 0 + 571 + 70 + 1 + 2 + 1 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 908565 + ... + 1355331.

It is an arithmetic number, because the mean of its divisors is an integer number (14010644480).

Almost surely, 2^505717012116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505717012116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672510935040).

505717012116 is an abundant number, since it is smaller than the sum of its proper divisors (839304857964).

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

505717012116 is a wasteful number, since it uses less digits than its factorization.

505717012116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447050 (or 447042 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 36.

The spelling of 505717012116 in words is "five hundred five billion, seven hundred seventeen million, twelve thousand, one hundred sixteen".