1179444555563 has 4 divisors (see below), whose sum is σ = 1179449299728. Its totient is φ = 1179439811400.

The previous prime is 1179444555557. The next prime is 1179444555613. The reversal of 1179444555563 is 3655554449711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1179444555563 - 2¹⁶ = 1179444490027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1179444555463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977263 + ... + 2503688.

It is an arithmetic number, because the mean of its divisors is an integer number (294862324932).

Almost surely, 2^{1179444555563} is an apocalyptic number.

1179444555563 is a deficient number, since it is larger than the sum of its proper divisors (4744165).

1179444555563 is an equidigital number, since it uses as much as digits as its factorization.

1179444555563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744164.

The product of its digits is 45360000, while the sum is 59.

The spelling of 1179444555563 in words is "one trillion, one hundred seventy-nine billion, four hundred forty-four million, five hundred fifty-five thousand, five hundred sixty-three".