11003443040040 has 64 divisors (see below), whose sum is σ = 36011268135360. Its totient is φ = 2667501342720.

The previous prime is 11003443039997. The next prime is 11003443040069. The reversal of 11003443040040 is 4004034430011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4167969529 + ... + 4167972168.

It is an arithmetic number, because the mean of its divisors is an integer number (562676064615).

Almost surely, 2^{11003443040040} is an apocalyptic number.

11003443040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003443040040 is an abundant number, since it is smaller than the sum of its proper divisors (25007825095320).

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

11003443040040 is a wasteful number, since it uses less digits than its factorization.

11003443040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335941722 (or 8335941718 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11003443040040 its reverse (4004034430011), we get a palindrome (15007477470051).

The spelling of 11003443040040 in words is "eleven trillion, three billion, four hundred forty-three million, forty thousand, forty".