11040203504 has 160 divisors (see below), whose sum is σ = 24992686080. Its totient is φ = 4675193600.

The previous prime is 11040203467. The next prime is 11040203521. The reversal of 11040203504 is 40530204011.

It is a super-3 number, since 3×11040203504³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30752477 + ... + 30752835.

It is an arithmetic number, because the mean of its divisors is an integer number (156204288).

Almost surely, 2^11040203504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11040203504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12496343040).

11040203504 is an abundant number, since it is smaller than the sum of its proper divisors (13952482576).

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

11040203504 is a wasteful number, since it uses less digits than its factorization.

11040203504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 11040203504 its reverse (40530204011), we get a palindrome (51570407515).

The spelling of 11040203504 in words is "eleven billion, forty million, two hundred three thousand, five hundred four".