5612781113 has 2 divisors, whose sum is σ = 5612781114. Its totient is φ = 5612781112.

The previous prime is 5612781107. The next prime is 5612781157. The reversal of 5612781113 is 3111872165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3289251904 + 2323529209 = 57352^2 + 48203^2 .

It is a cyclic number.

It is not a de Polignac number, because 5612781113 - 2³⁰ = 4539039289 is a prime.

It is not a weakly prime, because it can be changed into another prime (5612781613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806390556 + 2806390557.

It is an arithmetic number, because the mean of its divisors is an integer number (2806390557).

Almost surely, 2^5612781113 is an apocalyptic number.

It is an amenable number.

5612781113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5612781113 is an equidigital number, since it uses as much as digits as its factorization.

5612781113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 5612781113 is about 74918.4964678283. The cubic root of 5612781113 is about 1777.1579771360.

The spelling of 5612781113 in words is "five billion, six hundred twelve million, seven hundred eighty-one thousand, one hundred thirteen".