11503004104 has 8 divisors (see below), whose sum is σ = 21568132710. Its totient is φ = 5751502048.

The previous prime is 11503004101. The next prime is 11503004131. The reversal of 11503004104 is 40140030511.

11503004104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10446884100 + 1056120004 = 102210^2 + 32498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11503004101) 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 as a sum of consecutive naturals, namely, 718937749 + ... + 718937764.

Almost surely, 2^11503004104 is an apocalyptic number.

It is an amenable number.

11503004104 is a deficient number, since it is larger than the sum of its proper divisors (10065128606).

11503004104 is a wasteful number, since it uses less digits than its factorization.

11503004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437875519 (or 1437875515 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 11503004104 its reverse (40140030511), we get a palindrome (51643034615).

The spelling of 11503004104 in words is "eleven billion, five hundred three million, four thousand, one hundred four".