581079182113 has 2 divisors, whose sum is σ = 581079182114. Its totient is φ = 581079182112.

The previous prime is 581079182081. The next prime is 581079182197. The reversal of 581079182113 is 311281970185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410127529744 + 170951652369 = 640412^2 + 413463^2 .

It is a cyclic number.

It is not a de Polignac number, because 581079182113 - 2⁵ = 581079182081 is a prime.

It is a super-2 number, since 2×581079182113² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (581079182413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290539591056 + 290539591057.

It is an arithmetic number, because the mean of its divisors is an integer number (290539591057).

Almost surely, 2^581079182113 is an apocalyptic number.

It is an amenable number.

581079182113 is a deficient number, since it is larger than the sum of its proper divisors (1).

581079182113 is an equidigital number, since it uses as much as digits as its factorization.

581079182113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 581079182113 in words is "five hundred eighty-one billion, seventy-nine million, one hundred eighty-two thousand, one hundred thirteen".