5781331133 has 4 divisors (see below), whose sum is σ = 5781577308. Its totient is φ = 5781084960.

The previous prime is 5781331121. The next prime is 5781331139. The reversal of 5781331133 is 3311331875.

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 5458697689 + 322633444 = 73883^2 + 17962^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781331133 - 2¹⁰ = 5781330109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5781331093 and 5781331102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781331139) 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, 83648 + ... + 136233.

It is an arithmetic number, because the mean of its divisors is an integer number (1445394327).

Almost surely, 2^5781331133 is an apocalyptic number.

It is an amenable number.

5781331133 is a deficient number, since it is larger than the sum of its proper divisors (246175).

5781331133 is a wasteful number, since it uses less digits than its factorization.

5781331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246174.

The product of its digits is 22680, while the sum is 35.

The square root of 5781331133 is about 76035.0651541774. The cubic root of 5781331133 is about 1794.7719837719.

The spelling of 5781331133 in words is "five billion, seven hundred eighty-one million, three hundred thirty-one thousand, one hundred thirty-three".