505807117089 has 8 divisors (see below), whose sum is σ = 674450034432. Its totient is φ = 337184472240.

The previous prime is 505807117087. The next prime is 505807117091. The reversal of 505807117089 is 980711708505.

It is an interprime number because it is at equal distance from previous prime (505807117087) and next prime (505807117091).

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

It is not a de Polignac number, because 505807117089 - 2¹ = 505807117087 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (505807117087) 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, 5009809 + ... + 5109774.

It is an arithmetic number, because the mean of its divisors is an integer number (84306254304).

Almost surely, 2^505807117089 is an apocalyptic number.

It is an amenable number.

505807117089 is a deficient number, since it is larger than the sum of its proper divisors (168642917343).

505807117089 is a wasteful number, since it uses less digits than its factorization.

505807117089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136247.

The product of its (nonzero) digits is 705600, while the sum is 51.

The spelling of 505807117089 in words is "five hundred five billion, eight hundred seven million, one hundred seventeen thousand, eighty-nine".