11023401503 has 4 divisors (see below), whose sum is σ = 11025674088. Its totient is φ = 11021128920.

The previous prime is 11023401413. The next prime is 11023401517. The reversal of 11023401503 is 30510432011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30510432011 = 46307 ⋅658873.

It is a cyclic number.

It is not a de Polignac number, because 11023401503 - 2¹⁸ = 11023139359 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 (11023401563) 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, 1129001 + ... + 1138722.

It is an arithmetic number, because the mean of its divisors is an integer number (2756418522).

Almost surely, 2^11023401503 is an apocalyptic number.

11023401503 is a deficient number, since it is larger than the sum of its proper divisors (2272585).

11023401503 is an equidigital number, since it uses as much as digits as its factorization.

11023401503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272584.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11023401503 its reverse (30510432011), we get a palindrome (41533833514).

The spelling of 11023401503 in words is "eleven billion, twenty-three million, four hundred one thousand, five hundred three".