11163040603 has 16 divisors (see below), whose sum is σ = 13434496992. Its totient is φ = 9139104000.

The previous prime is 11163040597. The next prime is 11163040627. The reversal of 11163040603 is 30604036111.

It is a happy number.

It is not a de Polignac number, because 11163040603 - 2²⁵ = 11129486171 is a prime.

It is a super-2 number, since 2×11163040603² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11163040003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946128 + ... + 957853.

It is an arithmetic number, because the mean of its divisors is an integer number (839656062).

Almost surely, 2^11163040603 is an apocalyptic number.

11163040603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11163040603 is a deficient number, since it is larger than the sum of its proper divisors (2271456389).

11163040603 is a wasteful number, since it uses less digits than its factorization.

11163040603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904046.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11163040603 its reverse (30604036111), we get a palindrome (41767076714).

The spelling of 11163040603 in words is "eleven billion, one hundred sixty-three million, forty thousand, six hundred three".