11054055440 has 40 divisors (see below), whose sum is σ = 25754423040. Its totient is φ = 4412375936.

The previous prime is 11054055421. The next prime is 11054055449. The reversal of 11054055440 is 4455045011.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11054055449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105914 + ... + 182553.

It is an arithmetic number, because the mean of its divisors is an integer number (643860576).

Almost surely, 2^11054055440 is an apocalyptic number.

11054055440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11054055440 is an abundant number, since it is smaller than the sum of its proper divisors (14700367600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11054055440 is a wasteful number, since it uses less digits than its factorization.

11054055440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288959 (or 288953 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 11054055440 in words is "eleven billion, fifty-four million, fifty-five thousand, four hundred forty".