11109984727 has 2 divisors, whose sum is σ = 11109984728. Its totient is φ = 11109984726.

The previous prime is 11109984713. The next prime is 11109984751. The reversal of 11109984727 is 72748990111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11109984727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11109984757) 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, 5554992363 + 5554992364.

It is an arithmetic number, because the mean of its divisors is an integer number (5554992364).

Almost surely, 2^11109984727 is an apocalyptic number.

11109984727 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109984727 is an equidigital number, since it uses as much as digits as its factorization.

11109984727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 11109984727 in words is "eleven billion, one hundred nine million, nine hundred eighty-four thousand, seven hundred twenty-seven".