5261705252771 has 54 divisors (see below), whose sum is σ = 6141899531772. Its totient is φ = 4469739943680.

The previous prime is 5261705252723. The next prime is 5261705252773. The reversal of 5261705252771 is 1772525071625.

It is not a de Polignac number, because 5261705252771 - 2¹⁴ = 5261705236387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261705252773) by changing a digit.

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 53 ways as a sum of consecutive naturals, for example, 12864804815 + ... + 12864805223.

It is an arithmetic number, because the mean of its divisors is an integer number (113738880218).

Almost surely, 2^{5261705252771} is an apocalyptic number.

5261705252771 is a deficient number, since it is larger than the sum of its proper divisors (880194279001).

5261705252771 is an frugal number, since it uses more digits than its factorization.

5261705252771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 5261705252771 in words is "five trillion, two hundred sixty-one billion, seven hundred five million, two hundred fifty-two thousand, seven hundred seventy-one".