5811420011 has 4 divisors (see below), whose sum is σ = 5812573800. Its totient is φ = 5810266224.

The previous prime is 5811420007. The next prime is 5811420019. The reversal of 5811420011 is 1100241185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100241185 = 5 ⋅220048237.

It is a cyclic number.

It is not a de Polignac number, because 5811420011 - 2² = 5811420007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5811420019) 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, 569306 + ... + 579423.

It is an arithmetic number, because the mean of its divisors is an integer number (1453143450).

Almost surely, 2^5811420011 is an apocalyptic number.

5811420011 is a deficient number, since it is larger than the sum of its proper divisors (1153789).

5811420011 is a wasteful number, since it uses less digits than its factorization.

5811420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153788.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 5811420011 is about 76232.6702339620. The cubic root of 5811420011 is about 1797.8802217946.

Adding to 5811420011 its reverse (1100241185), we get a palindrome (6911661196).

It can be divided in two parts, 58114 and 20011, that added together give a 7-th power (78125 = 5⁷).

The spelling of 5811420011 in words is "five billion, eight hundred eleven million, four hundred twenty thousand, eleven".