11033323540 has 24 divisors (see below), whose sum is σ = 23260145832. Its totient is φ = 4396154880.

The previous prime is 11033323531. The next prime is 11033323589. The reversal of 11033323540 is 4532333011.

It can be written as a sum of positive squares in 4 ways, for example, as 2559752836 + 8473570704 = 50594^2 + 92052^2 .

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, 1068141 + ... + 1078420.

It is an arithmetic number, because the mean of its divisors is an integer number (969172743).

Almost surely, 2^11033323540 is an apocalyptic number.

11033323540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11033323540 is an abundant number, since it is smaller than the sum of its proper divisors (12226822292).

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

11033323540 is a wasteful number, since it uses less digits than its factorization.

11033323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146827 (or 2146825 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 11033323540 its reverse (4532333011), we get a palindrome (15565656551).

The spelling of 11033323540 in words is "eleven billion, thirty-three million, three hundred twenty-three thousand, five hundred forty".