11023451330503 has 4 divisors (see below), whose sum is σ = 11671889644080. Its totient is φ = 10375013016928.

The previous prime is 11023451330461. The next prime is 11023451330527. The reversal of 11023451330503 is 30503315432011.

It is a happy number.

11023451330503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11023451330503 - 2²¹ = 11023449233351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023451330533) 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, 324219156763 + ... + 324219156796.

It is an arithmetic number, because the mean of its divisors is an integer number (2917972411020).

Almost surely, 2^{11023451330503} is an apocalyptic number.

11023451330503 is a deficient number, since it is larger than the sum of its proper divisors (648438313577).

11023451330503 is an equidigital number, since it uses as much as digits as its factorization.

11023451330503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648438313576.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 11023451330503 its reverse (30503315432011), we get a palindrome (41526766762514).

The spelling of 11023451330503 in words is "eleven trillion, twenty-three billion, four hundred fifty-one million, three hundred thirty thousand, five hundred three".