505116715 has 4 divisors (see below), whose sum is σ = 606140064. Its totient is φ = 404093368.

The previous prime is 505116713. The next prime is 505116769. The reversal of 505116715 is 517611505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517611505 = 5 ⋅103522301.

It is a cyclic number.

It is not a de Polignac number, because 505116715 - 2¹ = 505116713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505116713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50511667 + ... + 50511676.

It is an arithmetic number, because the mean of its divisors is an integer number (151535016).

Almost surely, 2^505116715 is an apocalyptic number.

505116715 is a deficient number, since it is larger than the sum of its proper divisors (101023349).

505116715 is a wasteful number, since it uses less digits than its factorization.

505116715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101023348.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 505116715 is about 22474.8017788812. The cubic root of 505116715 is about 796.3987689730.

The spelling of 505116715 in words is "five hundred five million, one hundred sixteen thousand, seven hundred fifteen".