11814036871 has 16 divisors (see below), whose sum is σ = 15172545024. Its totient is φ = 8940960864.

The previous prime is 11814036863. The next prime is 11814036877. The reversal of 11814036871 is 17863041811.

It is a cyclic number.

It is not a de Polignac number, because 11814036871 - 2³ = 11814036863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11814036877) 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, 2820181 + ... + 2824366.

It is an arithmetic number, because the mean of its divisors is an integer number (948284064).

Almost surely, 2^11814036871 is an apocalyptic number.

11814036871 is a deficient number, since it is larger than the sum of its proper divisors (3358508153).

11814036871 is a wasteful number, since it uses less digits than its factorization.

11814036871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644590.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 11814036871 in words is "eleven billion, eight hundred fourteen million, thirty-six thousand, eight hundred seventy-one".