11218109927 has 2 divisors, whose sum is σ = 11218109928. Its totient is φ = 11218109926.

The previous prime is 11218109899. The next prime is 11218109971. The reversal of 11218109927 is 72990181211.

It is a weak prime.

It is an emirp because it is prime and its reverse (72990181211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11218109927 - 2²² = 11213915623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11218109327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609054963 + 5609054964.

It is an arithmetic number, because the mean of its divisors is an integer number (5609054964).

Almost surely, 2^11218109927 is an apocalyptic number.

11218109927 is a deficient number, since it is larger than the sum of its proper divisors (1).

11218109927 is an equidigital number, since it uses as much as digits as its factorization.

11218109927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 11218109927 in words is "eleven billion, two hundred eighteen million, one hundred nine thousand, nine hundred twenty-seven".