11603400004 has 48 divisors (see below), whose sum is σ = 23350965120. Its totient is φ = 4942091520.

The previous prime is 11603399993. The next prime is 11603400041. The reversal of 11603400004 is 40000430611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3440439 + ... + 3443809.

It is an arithmetic number, because the mean of its divisors is an integer number (486478440).

Almost surely, 2^11603400004 is an apocalyptic number.

11603400004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11603400004 is an abundant number, since it is smaller than the sum of its proper divisors (11747565116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11603400004 is a wasteful number, since it uses less digits than its factorization.

11603400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11603400004 its reverse (40000430611), we get a palindrome (51603830615).

The spelling of 11603400004 in words is "eleven billion, six hundred three million, four hundred thousand, four".