11214686881 has 2 divisors, whose sum is σ = 11214686882. Its totient is φ = 11214686880.

The previous prime is 11214686869. The next prime is 11214686891. The reversal of 11214686881 is 18868641211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9785166400 + 1429520481 = 98920^2 + 37809^2 .

It is a cyclic number.

It is not a de Polignac number, because 11214686881 - 2⁵ = 11214686849 is a prime.

It is a super-2 number, since 2×11214686881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11214686801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607343440 + 5607343441.

It is an arithmetic number, because the mean of its divisors is an integer number (5607343441).

Almost surely, 2^11214686881 is an apocalyptic number.

It is an amenable number.

11214686881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214686881 is an equidigital number, since it uses as much as digits as its factorization.

11214686881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 46.

The spelling of 11214686881 in words is "eleven billion, two hundred fourteen million, six hundred eighty-six thousand, eight hundred eighty-one".