507061165505 has 4 divisors (see below), whose sum is σ = 608473398612. Its totient is φ = 405648932400.

The previous prime is 507061165489. The next prime is 507061165517. The reversal of 507061165505 is 505561160705.

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 401317182016 + 105743983489 = 633496^2 + 325183^2 .

It is not a de Polignac number, because 507061165505 - 2⁴ = 507061165489 is a prime.

It is a super-2 number, since 2×507061165505² (a number of 24 digits) contains 22 as substring.

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, 50706116546 + ... + 50706116555.

It is an arithmetic number, because the mean of its divisors is an integer number (152118349653).

Almost surely, 2^507061165505 is an apocalyptic number.

It is an amenable number.

507061165505 is a deficient number, since it is larger than the sum of its proper divisors (101412233107).

507061165505 is a wasteful number, since it uses less digits than its factorization.

507061165505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101412233106.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 507061165505 in words is "five hundred seven billion, sixty-one million, one hundred sixty-five thousand, five hundred five".