5281281562785 has 16 divisors (see below), whose sum is σ = 8894790000960. Its totient is φ = 2668437000000.

The previous prime is 5281281562769. The next prime is 5281281562807. The reversal of 5281281562785 is 5872651821825.

It is not a de Polignac number, because 5281281562785 - 2⁴ = 5281281562769 is a prime.

It is a Curzon number.

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, 9265405966 + ... + 9265406535.

It is an arithmetic number, because the mean of its divisors is an integer number (555924375060).

Almost surely, 2^{5281281562785} is an apocalyptic number.

It is an amenable number.

5281281562785 is a deficient number, since it is larger than the sum of its proper divisors (3613508438175).

5281281562785 is a wasteful number, since it uses less digits than its factorization.

5281281562785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18530812528.

The product of its digits is 21504000, while the sum is 60.

The spelling of 5281281562785 in words is "five trillion, two hundred eighty-one billion, two hundred eighty-one million, five hundred sixty-two thousand, seven hundred eighty-five".