5128142144777 has 4 divisors (see below), whose sum is σ = 5429797565076. Its totient is φ = 4826486724480.

The previous prime is 5128142144771. The next prime is 5128142144849. The reversal of 5128142144777 is 7774412418215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2373275815936 + 2754866328841 = 1540544^2 + 1659779^2 .

It is a cyclic number.

It is not a de Polignac number, because 5128142144777 - 2¹⁴ = 5128142128393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128142144771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150827710124 + ... + 150827710157.

It is an arithmetic number, because the mean of its divisors is an integer number (1357449391269).

Almost surely, 2^{5128142144777} is an apocalyptic number.

It is an amenable number.

5128142144777 is a deficient number, since it is larger than the sum of its proper divisors (301655420299).

5128142144777 is a wasteful number, since it uses less digits than its factorization.

5128142144777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301655420298.

The product of its digits is 3512320, while the sum is 53.

The spelling of 5128142144777 in words is "five trillion, one hundred twenty-eight billion, one hundred forty-two million, one hundred forty-four thousand, seven hundred seventy-seven".