505250647142765 has 16 divisors (see below), whose sum is σ = 619437400952832. Its totient is φ = 395449340567424.

The previous prime is 505250647142749. The next prime is 505250647142771. The reversal of 505250647142765 is 567241746052505.

It is a cyclic number.

It is not a de Polignac number, because 505250647142765 - 2⁴ = 505250647142749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410161229 + ... + 411391218.

It is an arithmetic number, because the mean of its divisors is an integer number (38714837559552).

Almost surely, 2^{505250647142765} is an apocalyptic number.

It is an amenable number.

505250647142765 is a deficient number, since it is larger than the sum of its proper divisors (114186753810067).

505250647142765 is a wasteful number, since it uses less digits than its factorization.

505250647142765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821555116.

The product of its (nonzero) digits is 70560000, while the sum is 59.

The spelling of 505250647142765 in words is "five hundred five trillion, two hundred fifty billion, six hundred forty-seven million, one hundred forty-two thousand, seven hundred sixty-five".