11343545555 has 16 divisors (see below), whose sum is σ = 14119644000. Its totient is φ = 8742359808.

The previous prime is 11343545527. The next prime is 11343545561. The reversal of 11343545555 is 55554534311.

It is a cyclic number.

It is not a de Polignac number, because 11343545555 - 2¹⁸ = 11343283411 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345680 + ... + 377069.

It is an arithmetic number, because the mean of its divisors is an integer number (882477750).

Almost surely, 2^11343545555 is an apocalyptic number.

11343545555 is a deficient number, since it is larger than the sum of its proper divisors (2776098445).

11343545555 is an equidigital number, since it uses as much as digits as its factorization.

11343545555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722870.

The product of its digits is 450000, while the sum is 41.

The spelling of 11343545555 in words is "eleven billion, three hundred forty-three million, five hundred forty-five thousand, five hundred fifty-five".