11152506503 has 4 divisors (see below), whose sum is σ = 11362931208. Its totient is φ = 10942081800.

The previous prime is 11152506499. The next prime is 11152506511. The reversal of 11152506503 is 30560525111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30560525111 = 3943 ⋅7750577.

It is a cyclic number.

It is not a de Polignac number, because 11152506503 - 2² = 11152506499 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 (11152506553) 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, 105212273 + ... + 105212378.

It is an arithmetic number, because the mean of its divisors is an integer number (2840732802).

Almost surely, 2^11152506503 is an apocalyptic number.

11152506503 is a deficient number, since it is larger than the sum of its proper divisors (210424705).

11152506503 is an equidigital number, since it uses as much as digits as its factorization.

11152506503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210424704.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 11152506503 in words is "eleven billion, one hundred fifty-two million, five hundred six thousand, five hundred three".