11055597993 has 48 divisors (see below), whose sum is σ = 18060120000. Its totient is φ = 6455514240.

The previous prime is 11055597991. The next prime is 11055598019. The reversal of 11055597993 is 39979555011.

11055597993 is a `hidden beast` number, since 1 + 10 + 5 + 559 + 79 + 9 + 3 = 666.

11055597993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11055597993 - 2¹ = 11055597991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11055597991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1428771 + ... + 1436487.

It is an arithmetic number, because the mean of its divisors is an integer number (376252500).

Almost surely, 2^11055597993 is an apocalyptic number.

It is an amenable number.

11055597993 is a deficient number, since it is larger than the sum of its proper divisors (7004522007).

11055597993 is a wasteful number, since it uses less digits than its factorization.

11055597993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262 (or 8259 counting only the distinct ones).

The product of its (nonzero) digits is 1913625, while the sum is 54.

The spelling of 11055597993 in words is "eleven billion, fifty-five million, five hundred ninety-seven thousand, nine hundred ninety-three".