505501205450215 has 8 divisors (see below), whose sum is σ = 653263096274208. Its totient is φ = 373293197870880.

The previous prime is 505501205450207. The next prime is 505501205450237. The reversal of 505501205450215 is 512054502105505.

It is a happy number.

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

It is not a de Polignac number, because 505501205450215 - 2³ = 505501205450207 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 7 ways as a sum of consecutive naturals, for example, 3888470811091 + ... + 3888470811220.

It is an arithmetic number, because the mean of its divisors is an integer number (81657887034276).

Almost surely, 2^{505501205450215} is an apocalyptic number.

505501205450215 is a deficient number, since it is larger than the sum of its proper divisors (147761890823993).

505501205450215 is a wasteful number, since it uses less digits than its factorization.

505501205450215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776941622329.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 505501205450215 in words is "five hundred five trillion, five hundred one billion, two hundred five million, four hundred fifty thousand, two hundred fifteen".