11603204671 has 4 divisors (see below), whose sum is σ = 11709656200. Its totient is φ = 11496753144.

The previous prime is 11603204663. The next prime is 11603204689. The reversal of 11603204671 is 17640230611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17640230611 = 277 ⋅63683143.

It is a cyclic number.

It is not a de Polignac number, because 11603204671 - 2³ = 11603204663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603204621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53225601 + ... + 53225818.

It is an arithmetic number, because the mean of its divisors is an integer number (2927414050).

Almost surely, 2^11603204671 is an apocalyptic number.

11603204671 is a deficient number, since it is larger than the sum of its proper divisors (106451529).

11603204671 is a wasteful number, since it uses less digits than its factorization.

11603204671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106451528.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 11603204671 in words is "eleven billion, six hundred three million, two hundred four thousand, six hundred seventy-one".