11156854540103 has 2 divisors, whose sum is σ = 11156854540104. Its totient is φ = 11156854540102.

The previous prime is 11156854540079. The next prime is 11156854540133. The reversal of 11156854540103 is 30104545865111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11156854540103 - 2²⁰ = 11156853491527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156854540133) 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, 5578427270051 + 5578427270052.

It is an arithmetic number, because the mean of its divisors is an integer number (5578427270052).

Almost surely, 2^{11156854540103} is an apocalyptic number.

11156854540103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156854540103 is an equidigital number, since it uses as much as digits as its factorization.

11156854540103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 11156854540103 in words is "eleven trillion, one hundred fifty-six billion, eight hundred fifty-four million, five hundred forty thousand, one hundred three".