11188128047 has 2 divisors, whose sum is σ = 11188128048. Its totient is φ = 11188128046.

The previous prime is 11188128037. The next prime is 11188128053. The reversal of 11188128047 is 74082188111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11188128047 - 2⁴ = 11188128031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11188127995 and 11188128013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11188128037) 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, 5594064023 + 5594064024.

It is an arithmetic number, because the mean of its divisors is an integer number (5594064024).

Almost surely, 2^11188128047 is an apocalyptic number.

11188128047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11188128047 is an equidigital number, since it uses as much as digits as its factorization.

11188128047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28672, while the sum is 41.

The spelling of 11188128047 in words is "eleven billion, one hundred eighty-eight million, one hundred twenty-eight thousand, forty-seven".