11887594814 has 4 divisors (see below), whose sum is σ = 17831392224. Its totient is φ = 5943797406.

The previous prime is 11887594813. The next prime is 11887594841. The reversal of 11887594814 is 41849578811.

11887594814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11887594814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887594813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971898702 + ... + 2971898705.

It is an arithmetic number, because the mean of its divisors is an integer number (4457848056).

Almost surely, 2^11887594814 is an apocalyptic number.

11887594814 is a deficient number, since it is larger than the sum of its proper divisors (5943797410).

11887594814 is an equidigital number, since it uses as much as digits as its factorization.

11887594814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943797409.

The product of its digits is 2580480, while the sum is 56.

The spelling of 11887594814 in words is "eleven billion, eight hundred eighty-seven million, five hundred ninety-four thousand, eight hundred fourteen".