11214498881 has 2 divisors, whose sum is σ = 11214498882. Its totient is φ = 11214498880.

The previous prime is 11214498871. The next prime is 11214498887. The reversal of 11214498881 is 18889441211.

It is a happy number.

11214498881 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., 11175872656 + 38626225 = 105716^2 + 6215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11214498881 - 2¹⁰ = 11214497857 is a prime.

It is a super-2 number, since 2×11214498881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11214498887) 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, 5607249440 + 5607249441.

It is an arithmetic number, because the mean of its divisors is an integer number (5607249441).

Almost surely, 2^11214498881 is an apocalyptic number.

It is an amenable number.

11214498881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214498881 is an equidigital number, since it uses as much as digits as its factorization.

11214498881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 47.

The spelling of 11214498881 in words is "eleven billion, two hundred fourteen million, four hundred ninety-eight thousand, eight hundred eighty-one".