11889386715 has 16 divisors (see below), whose sum is σ = 19027369728. Its totient is φ = 6339555936.

The previous prime is 11889386699. The next prime is 11889386753. The reversal of 11889386715 is 51768398811.

11889386715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11889386715 - 2⁴ = 11889386699 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 21159 + ... + 155648.

It is an arithmetic number, because the mean of its divisors is an integer number (1189210608).

Almost surely, 2^11889386715 is an apocalyptic number.

11889386715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11889386715 is a deficient number, since it is larger than the sum of its proper divisors (7137983013).

11889386715 is a wasteful number, since it uses less digits than its factorization.

11889386715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181298.

The product of its digits is 2903040, while the sum is 57.

The spelling of 11889386715 in words is "eleven billion, eight hundred eighty-nine million, three hundred eighty-six thousand, seven hundred fifteen".