11033120540 has 24 divisors (see below), whose sum is σ = 24951827040. Its totient is φ = 4073767488.

The previous prime is 11033120531. The next prime is 11033120543. The reversal of 11033120540 is 4502133011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033120543) 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, 21217280 + ... + 21217799.

It is an arithmetic number, because the mean of its divisors is an integer number (1039659460).

Almost surely, 2^11033120540 is an apocalyptic number.

11033120540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11033120540 is an abundant number, since it is smaller than the sum of its proper divisors (13918706500).

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

11033120540 is a wasteful number, since it uses less digits than its factorization.

11033120540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42435101 (or 42435099 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11033120540 its reverse (4502133011), we get a palindrome (15535253551).

The spelling of 11033120540 in words is "eleven billion, thirty-three million, one hundred twenty thousand, five hundred forty".