11451440203 has 8 divisors (see below), whose sum is σ = 13088291040. Its totient is φ = 9814822080.

The previous prime is 11451440183. The next prime is 11451440243. The reversal of 11451440203 is 30204415411.

11451440203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11451440203 - 2¹⁷ = 11451309131 is a prime.

It is a super-2 number, since 2×11451440203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451440243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64533 + ... + 164521.

It is an arithmetic number, because the mean of its divisors is an integer number (1636036380).

Almost surely, 2^11451440203 is an apocalyptic number.

11451440203 is a deficient number, since it is larger than the sum of its proper divisors (1636850837).

11451440203 is an equidigital number, since it uses as much as digits as its factorization.

11451440203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116357.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11451440203 its reverse (30204415411), we get a palindrome (41655855614).

The spelling of 11451440203 in words is "eleven billion, four hundred fifty-one million, four hundred forty thousand, two hundred three".