505356653505 has 32 divisors (see below), whose sum is σ = 882503994240. Its totient is φ = 244902817280.

The previous prime is 505356653467. The next prime is 505356653513.

505356653505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505356653505 - 2¹² = 505356649409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398772 + ... + 1081541.

It is an arithmetic number, because the mean of its divisors is an integer number (27578249820).

Almost surely, 2^505356653505 is an apocalyptic number.

505356653505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505356653505 is a deficient number, since it is larger than the sum of its proper divisors (377147340735).

505356653505 is a wasteful number, since it uses less digits than its factorization.

505356653505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482401.

The product of its (nonzero) digits is 5062500, while the sum is 48.

The spelling of 505356653505 in words is "five hundred five billion, three hundred fifty-six million, six hundred fifty-three thousand, five hundred five".