11164320603 has 12 divisors (see below), whose sum is σ = 16127771400. Its totient is φ = 7442174016.

The previous prime is 11164320593. The next prime is 11164320641. The reversal of 11164320603 is 30602346111.

11164320603 is a `hidden beast` number, since 1 + 1 + 16 + 43 + 2 + 0 + 603 = 666.

It is not a de Polignac number, because 11164320603 - 2⁸ = 11164320347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11164320683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52275 + ... + 158307.

It is an arithmetic number, because the mean of its divisors is an integer number (1343980950).

Almost surely, 2^11164320603 is an apocalyptic number.

11164320603 is a deficient number, since it is larger than the sum of its proper divisors (4963450797).

11164320603 is a wasteful number, since it uses less digits than its factorization.

11164320603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117738 (or 117735 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 11164320603 its reverse (30602346111), we get a palindrome (41766666714).

The spelling of 11164320603 in words is "eleven billion, one hundred sixty-four million, three hundred twenty thousand, six hundred three".