505713415561 has 8 divisors (see below), whose sum is σ = 527771280960. Its totient is φ = 483661410672.

The previous prime is 505713415553. The next prime is 505713415577. The reversal of 505713415561 is 165514317505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505713415561 - 2³ = 505713415553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505713415861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288326 + ... + 1634383.

It is an arithmetic number, because the mean of its divisors is an integer number (65971410120).

Almost surely, 2^505713415561 is an apocalyptic number.

It is an amenable number.

505713415561 is a deficient number, since it is larger than the sum of its proper divisors (22057865399).

505713415561 is a wasteful number, since it uses less digits than its factorization.

505713415561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930255.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 505713415561 in words is "five hundred five billion, seven hundred thirteen million, four hundred fifteen thousand, five hundred sixty-one".