5847251135881 has 3 divisors (see below), whose sum is σ = 5847253553991. Its totient is φ = 5847248717772.

The previous prime is 5847251135867. The next prime is 5847251135899. The reversal of 5847251135881 is 1885311527485.

The square root of 5847251135881 is 2418109.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 45415445881 + 5801835690000 = 213109^2 + 2408700^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5847251135881 is a prime.

It is a super-2 number, since 2×5847251135881² (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 (5847251135851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1209055 + ... + 3627163.

It is an arithmetic number, because the mean of its divisors is an integer number (1949084517997).

Almost surely, 2^{5847251135881} is an apocalyptic number.

5847251135881 is the 2418109-th square number.

5847251135881 is the 1209055-th centered octagonal number.

It is an amenable number.

5847251135881 is a deficient number, since it is larger than the sum of its proper divisors (2418110).

5847251135881 is an frugal number, since it uses more digits than its factorization.

5847251135881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836218 (or 2418109 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 58.

The spelling of 5847251135881 in words is "five trillion, eight hundred forty-seven billion, two hundred fifty-one million, one hundred thirty-five thousand, eight hundred eighty-one".