11444980775 has 12 divisors (see below), whose sum is σ = 14432316600. Its totient is φ = 9000797280.

The previous prime is 11444980747. The next prime is 11444980831. The reversal of 11444980775 is 57708944411.

It is a de Polignac number, because none of the positive numbers 2^k-11444980775 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3878180 + ... + 3881129.

It is an arithmetic number, because the mean of its divisors is an integer number (1202693050).

Almost surely, 2^11444980775 is an apocalyptic number.

11444980775 is a deficient number, since it is larger than the sum of its proper divisors (2987335825).

11444980775 is an equidigital number, since it uses as much as digits as its factorization.

11444980775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759378 (or 7759373 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 11444980775 in words is "eleven billion, four hundred forty-four million, nine hundred eighty thousand, seven hundred seventy-five".