11056003440 has 40 divisors (see below), whose sum is σ = 34273611408. Its totient is φ = 2948267520.

The previous prime is 11056003433. The next prime is 11056003477. The reversal of 11056003440 is 4430065011.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11056003440.

It is a congruent number.

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, 23033101 + ... + 23033580.

Almost surely, 2^11056003440 is an apocalyptic number.

11056003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11056003440 is an abundant number, since it is smaller than the sum of its proper divisors (23217607968).

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

11056003440 is a wasteful number, since it uses less digits than its factorization.

11056003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46066697 (or 46066691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11056003440 its reverse (4430065011), we get a palindrome (15486068451).

The spelling of 11056003440 in words is "eleven billion, fifty-six million, three thousand, four hundred forty".