11120601281 has 2 divisors, whose sum is σ = 11120601282. Its totient is φ = 11120601280.

The previous prime is 11120601209. The next prime is 11120601287. The reversal of 11120601281 is 18210602111.

11120601281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10446679681 + 673921600 = 102209^2 + 25960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120601281 is a prime.

It is a super-2 number, since 2×11120601281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11120601287) 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, 5560300640 + 5560300641.

It is an arithmetic number, because the mean of its divisors is an integer number (5560300641).

Almost surely, 2^11120601281 is an apocalyptic number.

It is an amenable number.

11120601281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120601281 is an equidigital number, since it uses as much as digits as its factorization.

11120601281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 23.

The spelling of 11120601281 in words is "eleven billion, one hundred twenty million, six hundred one thousand, two hundred eighty-one".