505501005109 has 8 divisors (see below), whose sum is σ = 506070856928. Its totient is φ = 504931365360.

The previous prime is 505501005091. The next prime is 505501005143. The reversal of 505501005109 is 901500105505.

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

It is a cyclic number.

It is not a de Polignac number, because 505501005109 - 2²⁹ = 504964134197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505501005809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4984114 + ... + 5084524.

It is an arithmetic number, because the mean of its divisors is an integer number (63258857116).

Almost surely, 2^505501005109 is an apocalyptic number.

It is an amenable number.

505501005109 is a deficient number, since it is larger than the sum of its proper divisors (569851819).

505501005109 is a wasteful number, since it uses less digits than its factorization.

505501005109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106035.

The product of its (nonzero) digits is 5625, while the sum is 31.

The spelling of 505501005109 in words is "five hundred five billion, five hundred one million, five thousand, one hundred nine".