10919555144 has 32 divisors (see below), whose sum is σ = 21037742400. Its totient is φ = 5309634240.

The previous prime is 10919555137. The next prime is 10919555191. The reversal of 10919555144 is 44155591901.

It is a junction number, because it is equal to n+sod(n) for n = 10919555095 and 10919555104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694037 + ... + 709595.

It is an arithmetic number, because the mean of its divisors is an integer number (657429450).

Almost surely, 2^10919555144 is an apocalyptic number.

It is an amenable number.

10919555144 is a deficient number, since it is larger than the sum of its proper divisors (10118187256).

10919555144 is a wasteful number, since it uses less digits than its factorization.

10919555144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17973 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 10919555144 in words is "ten billion, nine hundred nineteen million, five hundred fifty-five thousand, one hundred forty-four".