11679655815 has 16 divisors (see below), whose sum is σ = 20763832800. Its totient is φ = 6229149696.

The previous prime is 11679655781. The next prime is 11679655817. The reversal of 11679655815 is 51855697611.

11679655815 is a `hidden beast` number, since 1 + 1 + 6 + 79 + 6 + 558 + 15 = 666.

11679655815 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 11679655815 - 2¹⁴ = 11679639431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11679655817) 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 in 15 ways as a sum of consecutive naturals, for example, 43257850 + ... + 43258119.

It is an arithmetic number, because the mean of its divisors is an integer number (1297739550).

Almost surely, 2^11679655815 is an apocalyptic number.

11679655815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11679655815 is a deficient number, since it is larger than the sum of its proper divisors (9084176985).

11679655815 is an equidigital number, since it uses as much as digits as its factorization.

11679655815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86515983 (or 86515977 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The spelling of 11679655815 in words is "eleven billion, six hundred seventy-nine million, six hundred fifty-five thousand, eight hundred fifteen".