11531411603 has 8 divisors (see below), whose sum is σ = 11657936400. Its totient is φ = 11405263968.

The previous prime is 11531411539. The next prime is 11531411687. The reversal of 11531411603 is 30611413511.

It is a happy number.

11531411603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11531411603 - 2⁶ = 11531411539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11531411303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32588 + ... + 155321.

It is an arithmetic number, because the mean of its divisors is an integer number (1457242050).

Almost surely, 2^11531411603 is an apocalyptic number.

11531411603 is a deficient number, since it is larger than the sum of its proper divisors (126524797).

11531411603 is a wasteful number, since it uses less digits than its factorization.

11531411603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188581.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 11531411603 in words is "eleven billion, five hundred thirty-one million, four hundred eleven thousand, six hundred three".