505544141445505 has 32 divisors (see below), whose sum is σ = 660507151949568. Its totient is φ = 369948956620800.

The previous prime is 505544141445463. The next prime is 505544141445521.

505544141445505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505544141445505 - 2²⁵ = 505544107891073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274868391 + ... + 276701500.

It is an arithmetic number, because the mean of its divisors is an integer number (20640848498424).

Almost surely, 2^{505544141445505} is an apocalyptic number.

It is an amenable number.

505544141445505 is a deficient number, since it is larger than the sum of its proper divisors (154963010504063).

505544141445505 is a wasteful number, since it uses less digits than its factorization.

505544141445505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551570217.

The product of its (nonzero) digits is 16000000, while the sum is 52.

The spelling of 505544141445505 in words is "five hundred five trillion, five hundred forty-four billion, one hundred forty-one million, four hundred forty-five thousand, five hundred five".