11876378471563 has 4 divisors (see below), whose sum is σ = 12100461084288. Its totient is φ = 11652295858840.

The previous prime is 11876378471513. The next prime is 11876378471647. The reversal of 11876378471563 is 36517487367811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11876378471563 - 2²⁵ = 11876344917131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11876378471513) 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, 112041306283 + ... + 112041306388.

It is an arithmetic number, because the mean of its divisors is an integer number (3025115271072).

Almost surely, 2^{11876378471563} is an apocalyptic number.

11876378471563 is a deficient number, since it is larger than the sum of its proper divisors (224082612725).

11876378471563 is an equidigital number, since it uses as much as digits as its factorization.

11876378471563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224082612724.

The product of its digits is 142248960, while the sum is 67.

The spelling of 11876378471563 in words is "eleven trillion, eight hundred seventy-six billion, three hundred seventy-eight million, four hundred seventy-one thousand, five hundred sixty-three".