11156854541099 has 2 divisors, whose sum is σ = 11156854541100. Its totient is φ = 11156854541098.

The previous prime is 11156854541033. The next prime is 11156854541137. The reversal of 11156854541099 is 99014545865111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11156854541099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11156854547099) 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, 5578427270549 + 5578427270550.

It is an arithmetic number, because the mean of its divisors is an integer number (5578427270550).

Almost surely, 2^{11156854541099} is an apocalyptic number.

11156854541099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156854541099 is an equidigital number, since it uses as much as digits as its factorization.

11156854541099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776000, while the sum is 59.

The spelling of 11156854541099 in words is "eleven trillion, one hundred fifty-six billion, eight hundred fifty-four million, five hundred forty-one thousand, ninety-nine".