11003240355 has 16 divisors (see below), whose sum is σ = 17684136960. Its totient is φ = 5842077408.

The previous prime is 11003240251. The next prime is 11003240357. The reversal of 11003240355 is 55304230011.

It is not a de Polignac number, because 11003240355 - 2¹¹ = 11003238307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11003240357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641385 + ... + 1648074.

It is an arithmetic number, because the mean of its divisors is an integer number (1105258560).

Almost surely, 2^11003240355 is an apocalyptic number.

11003240355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11003240355 is a deficient number, since it is larger than the sum of its proper divisors (6680896605).

11003240355 is a wasteful number, since it uses less digits than its factorization.

11003240355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289690.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 11003240355 its reverse (55304230011), we get a palindrome (66307470366).

The spelling of 11003240355 in words is "eleven billion, three million, two hundred forty thousand, three hundred fifty-five".