6113723881 has 2 divisors, whose sum is σ = 6113723882. Its totient is φ = 6113723880.

The previous prime is 6113723873. The next prime is 6113723899. The reversal of 6113723881 is 1883273116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4972365225 + 1141358656 = 70515^2 + 33784^2 .

It is a cyclic number.

It is not a de Polignac number, because 6113723881 - 2³ = 6113723873 is a prime.

It is a super-2 number, since 2×6113723881² = 74755239386219404322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6113723801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056861940 + 3056861941.

It is an arithmetic number, because the mean of its divisors is an integer number (3056861941).

Almost surely, 2^6113723881 is an apocalyptic number.

It is an amenable number.

6113723881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6113723881 is an equidigital number, since it uses as much as digits as its factorization.

6113723881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 6113723881 is about 78190.3055435902. The cubic root of 6113723881 is about 1828.5293689123.

Adding to 6113723881 its reverse (1883273116), we get a palindrome (7996996997).

It can be divided in two parts, 6 and 113723881, that multiplied together give a palindrome (682343286).

The spelling of 6113723881 in words is "six billion, one hundred thirteen million, seven hundred twenty-three thousand, eight hundred eighty-one".