11055565443 has 32 divisors (see below), whose sum is σ = 16908091200. Its totient is φ = 6403158528.

The previous prime is 11055565427. The next prime is 11055565447. The reversal of 11055565443 is 34456555011.

It is not a de Polignac number, because 11055565443 - 2⁴ = 11055565427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11055565447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62713 + ... + 161381.

It is an arithmetic number, because the mean of its divisors is an integer number (528377850).

Almost surely, 2^11055565443 is an apocalyptic number.

11055565443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11055565443 is a deficient number, since it is larger than the sum of its proper divisors (5852525757).

11055565443 is an equidigital number, since it uses as much as digits as its factorization.

11055565443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98728 (or 98702 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 11055565443 in words is "eleven billion, fifty-five million, five hundred sixty-five thousand, four hundred forty-three".