11643453003 has 64 divisors (see below), whose sum is σ = 19709161472. Its totient is φ = 5949573120.

The previous prime is 11643452993. The next prime is 11643453007. The reversal of 11643453003 is 30035434611.

11643453003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11643453003 - 2⁴ = 11643452987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11643453007) 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 63 ways as a sum of consecutive naturals, for example, 2431950 + ... + 2436732.

It is an arithmetic number, because the mean of its divisors is an integer number (307955648).

Almost surely, 2^11643453003 is an apocalyptic number.

11643453003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11643453003 is a deficient number, since it is larger than the sum of its proper divisors (8065708469).

11643453003 is a wasteful number, since it uses less digits than its factorization.

11643453003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 11643453003 its reverse (30035434611), we get a palindrome (41678887614).

The spelling of 11643453003 in words is "eleven billion, six hundred forty-three million, four hundred fifty-three thousand, three".