505038555205 has 16 divisors (see below), whose sum is σ = 611288184384. Its totient is φ = 400551137280.

The previous prime is 505038555193. The next prime is 505038555223. The reversal of 505038555205 is 502555830505.

It is not a de Polignac number, because 505038555205 - 2²⁹ = 504501684293 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 15 ways as a sum of consecutive naturals, for example, 660207 + ... + 1202476.

It is an arithmetic number, because the mean of its divisors is an integer number (38205511524).

Almost surely, 2^505038555205 is an apocalyptic number.

It is an amenable number.

505038555205 is a deficient number, since it is larger than the sum of its proper divisors (106249629179).

505038555205 is a wasteful number, since it uses less digits than its factorization.

505038555205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863156.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 505038555205 in words is "five hundred five billion, thirty-eight million, five hundred fifty-five thousand, two hundred five".