5612516881 has 2 divisors, whose sum is σ = 5612516882. Its totient is φ = 5612516880.

The previous prime is 5612516863. The next prime is 5612516887. The reversal of 5612516881 is 1886152165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5501930625 + 110586256 = 74175^2 + 10516^2 .

It is a cyclic number.

It is not a de Polignac number, because 5612516881 - 2¹³ = 5612508689 is a prime.

It is a super-2 number, since 2×5612516881² = 63000691479019936322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5612516887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806258440 + 2806258441.

It is an arithmetic number, because the mean of its divisors is an integer number (2806258441).

Almost surely, 2^5612516881 is an apocalyptic number.

It is an amenable number.

5612516881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5612516881 is an equidigital number, since it uses as much as digits as its factorization.

5612516881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 43.

The square root of 5612516881 is about 74916.7329840270. The cubic root of 5612516881 is about 1777.1300890377.

The spelling of 5612516881 in words is "five billion, six hundred twelve million, five hundred sixteen thousand, eight hundred eighty-one".