5257074027881 has 4 divisors (see below), whose sum is σ = 5661464337732. Its totient is φ = 4852683718032.

The previous prime is 5257074027871. The next prime is 5257074027941. The reversal of 5257074027881 is 1887204707525.

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 2187710186281 + 3069363841600 = 1479091^2 + 1751960^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257074027881 - 2¹⁸ = 5257073765737 is a prime.

It is a super-2 number, since 2×5257074027881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257074027871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202195154906 + ... + 202195154931.

It is an arithmetic number, because the mean of its divisors is an integer number (1415366084433).

Almost surely, 2^{5257074027881} is an apocalyptic number.

It is an amenable number.

5257074027881 is a deficient number, since it is larger than the sum of its proper divisors (404390309851).

5257074027881 is a wasteful number, since it uses less digits than its factorization.

5257074027881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404390309850.

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 5257074027881 in words is "five trillion, two hundred fifty-seven billion, seventy-four million, twenty-seven thousand, eight hundred eighty-one".