11550240003 has 4 divisors (see below), whose sum is σ = 15400320008. Its totient is φ = 7700160000.

The previous prime is 11550239971. The next prime is 11550240029. The reversal of 11550240003 is 30004205511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11550240003 - 2⁵ = 11550239971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11550240703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925039998 + ... + 1925040003.

It is an arithmetic number, because the mean of its divisors is an integer number (3850080002).

Almost surely, 2^11550240003 is an apocalyptic number.

11550240003 is a deficient number, since it is larger than the sum of its proper divisors (3850080005).

11550240003 is an equidigital number, since it uses as much as digits as its factorization.

11550240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850080004.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 11550240003 its reverse (30004205511), we get a palindrome (41554445514).

The spelling of 11550240003 in words is "eleven billion, five hundred fifty million, two hundred forty thousand, three".