5143781805505 has 16 divisors (see below), whose sum is σ = 7143624645120. Its totient is φ = 3482517010752.

The previous prime is 5143781805499. The next prime is 5143781805517. The reversal of 5143781805505 is 5055081873415.

It is a cyclic number.

It is not a de Polignac number, because 5143781805505 - 2⁷ = 5143781805377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930156694 + ... + 930162223.

It is an arithmetic number, because the mean of its divisors is an integer number (446476540320).

Almost surely, 2^{5143781805505} is an apocalyptic number.

It is an amenable number.

5143781805505 is a deficient number, since it is larger than the sum of its proper divisors (1999842839615).

5143781805505 is a wasteful number, since it uses less digits than its factorization.

5143781805505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860319008.

The product of its (nonzero) digits is 3360000, while the sum is 52.

The spelling of 5143781805505 in words is "five trillion, one hundred forty-three billion, seven hundred eighty-one million, eight hundred five thousand, five hundred five".