11541200503 has 8 divisors (see below), whose sum is σ = 13190967072. Its totient is φ = 9891689856.

The previous prime is 11541200497. The next prime is 11541200519. The reversal of 11541200503 is 30500214511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11541200503 - 2²⁵ = 11507646071 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 (11541200303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45051 + ... + 158467.

It is an arithmetic number, because the mean of its divisors is an integer number (1648870884).

Almost surely, 2^11541200503 is an apocalyptic number.

11541200503 is a deficient number, since it is larger than the sum of its proper divisors (1649766569).

11541200503 is a wasteful number, since it uses less digits than its factorization.

11541200503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127961.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 11541200503 in words is "eleven billion, five hundred forty-one million, two hundred thousand, five hundred three".