505225243365 has 8 divisors (see below), whose sum is σ = 808360389408. Its totient is φ = 269453463120.

The previous prime is 505225243331. The next prime is 505225243409. The reversal of 505225243365 is 563342522505.

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

It is not a de Polignac number, because 505225243365 - 2⁸ = 505225243109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16840841431 + ... + 16840841460.

It is an arithmetic number, because the mean of its divisors is an integer number (101045048676).

Almost surely, 2^505225243365 is an apocalyptic number.

It is an amenable number.

505225243365 is a deficient number, since it is larger than the sum of its proper divisors (303135146043).

505225243365 is a wasteful number, since it uses less digits than its factorization.

505225243365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33681682899.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 505225243365 in words is "five hundred five billion, two hundred twenty-five million, two hundred forty-three thousand, three hundred sixty-five".