505552156505 has 16 divisors (see below), whose sum is σ = 662241096000. Its totient is φ = 367436871360.

The previous prime is 505552156481. The next prime is 505552156513. The reversal of 505552156505 is 505651255505.

It is not a de Polignac number, because 505552156505 - 2¹⁰ = 505552155481 is a prime.

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, 2881835 + ... + 3052224.

It is an arithmetic number, because the mean of its divisors is an integer number (41390068500).

Almost surely, 2^505552156505 is an apocalyptic number.

505552156505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505552156505 is a deficient number, since it is larger than the sum of its proper divisors (156688939495).

505552156505 is a wasteful number, since it uses less digits than its factorization.

505552156505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935624.

The product of its (nonzero) digits is 937500, while the sum is 44.

The spelling of 505552156505 in words is "five hundred five billion, five hundred fifty-two million, one hundred fifty-six thousand, five hundred five".