11131330403 has 8 divisors (see below), whose sum is σ = 11382549360. Its totient is φ = 10882196640.

The previous prime is 11131330387. The next prime is 11131330411. The reversal of 11131330403 is 30403313111.

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 11131330403 - 2⁴ = 11131330387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131330423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510500 + ... + 531857.

It is an arithmetic number, because the mean of its divisors is an integer number (1422818670).

Almost surely, 2^11131330403 is an apocalyptic number.

11131330403 is a deficient number, since it is larger than the sum of its proper divisors (251218957).

11131330403 is a wasteful number, since it uses less digits than its factorization.

11131330403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042597.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11131330403 its reverse (30403313111), we get a palindrome (41534643514).

The spelling of 11131330403 in words is "eleven billion, one hundred thirty-one million, three hundred thirty thousand, four hundred three".