505012007705 has 4 divisors (see below), whose sum is σ = 606014409252. Its totient is φ = 404009606160.

The previous prime is 505012007693. The next prime is 505012007723. The reversal of 505012007705 is 507700210505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271874645056 + 233137362649 = 521416^2 + 482843^2 .

It is not a de Polignac number, because 505012007705 - 2²⁴ = 504995230489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50501200766 + ... + 50501200775.

It is an arithmetic number, because the mean of its divisors is an integer number (151503602313).

Almost surely, 2^505012007705 is an apocalyptic number.

It is an amenable number.

505012007705 is a deficient number, since it is larger than the sum of its proper divisors (101002401547).

505012007705 is a wasteful number, since it uses less digits than its factorization.

505012007705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101002401546.

The product of its (nonzero) digits is 12250, while the sum is 32.

The spelling of 505012007705 in words is "five hundred five billion, twelve million, seven thousand, seven hundred five".