11044355553 has 96 divisors (see below), whose sum is σ = 20314644480. Its totient is φ = 5615550720.

The previous prime is 11044355501. The next prime is 11044355557. The reversal of 11044355553 is 35555344011.

11044355553 is a `hidden beast` number, since 1 + 10 + 4 + 43 + 55 + 553 = 666.

It is not a de Polignac number, because 11044355553 - 2⁸ = 11044355297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11044355557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12797200 + ... + 12798062.

It is an arithmetic number, because the mean of its divisors is an integer number (211610880).

Almost surely, 2^11044355553 is an apocalyptic number.

It is an amenable number.

11044355553 is a deficient number, since it is larger than the sum of its proper divisors (9270288927).

11044355553 is a wasteful number, since it uses less digits than its factorization.

11044355553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 11044355553 its reverse (35555344011), we get a palindrome (46599699564).

The spelling of 11044355553 in words is "eleven billion, forty-four million, three hundred fifty-five thousand, five hundred fifty-three".