11563842103 has 12 divisors (see below), whose sum is σ = 12755940624. Its totient is φ = 10475141600.

The previous prime is 11563842097. The next prime is 11563842127. The reversal of 11563842103 is 30124836511.

It is not a de Polignac number, because 11563842103 - 2²⁹ = 11026971191 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 (11563843103) 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, 136051 + ... + 204052.

It is an arithmetic number, because the mean of its divisors is an integer number (1062995052).

Almost surely, 2^11563842103 is an apocalyptic number.

11563842103 is a deficient number, since it is larger than the sum of its proper divisors (1192098521).

11563842103 is a wasteful number, since it uses less digits than its factorization.

11563842103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340406 (or 340395 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 11563842103 in words is "eleven billion, five hundred sixty-three million, eight hundred forty-two thousand, one hundred three".