11411975503 has 4 divisors (see below), whose sum is σ = 11427335568. Its totient is φ = 11396615440.

The previous prime is 11411975501. The next prime is 11411975521. The reversal of 11411975503 is 30557911411.

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 11411975503 - 2¹ = 11411975501 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 (11411975501) 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, 7678918 + ... + 7680403.

It is an arithmetic number, because the mean of its divisors is an integer number (2856833892).

Almost surely, 2^11411975503 is an apocalyptic number.

11411975503 is a deficient number, since it is larger than the sum of its proper divisors (15360065).

11411975503 is an equidigital number, since it uses as much as digits as its factorization.

11411975503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360064.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 11411975503 in words is "eleven billion, four hundred eleven million, nine hundred seventy-five thousand, five hundred three".