5811159391 has 4 divisors (see below), whose sum is σ = 5811571152. Its totient is φ = 5810747632.

The previous prime is 5811159373. The next prime is 5811159413. The reversal of 5811159391 is 1939511185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1939511185 = 5 ⋅387902237.

It is a cyclic number.

It is not a de Polignac number, because 5811159391 - 2⁹ = 5811158879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811159091) 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 3 ways as a sum of consecutive naturals, for example, 183931 + ... + 213196.

It is an arithmetic number, because the mean of its divisors is an integer number (1452892788).

Almost surely, 2^5811159391 is an apocalyptic number.

5811159391 is a deficient number, since it is larger than the sum of its proper divisors (411761).

5811159391 is a wasteful number, since it uses less digits than its factorization.

5811159391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411760.

The product of its digits is 48600, while the sum is 43.

The square root of 5811159391 is about 76230.9608426917. The cubic root of 5811159391 is about 1797.8533453715.

The spelling of 5811159391 in words is "five billion, eight hundred eleven million, one hundred fifty-nine thousand, three hundred ninety-one".