11867689586 has 4 divisors (see below), whose sum is σ = 17801534382. Its totient is φ = 5933844792.

The previous prime is 11867689567. The next prime is 11867689627. The reversal of 11867689586 is 68598676811.

11867689586 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 can be written as a sum of positive squares in only one way, i.e., 6875560561 + 4992129025 = 82919^2 + 70655^2 .

It is a super-2 number, since 2×11867689586² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2966922395 + ... + 2966922398.

Almost surely, 2^11867689586 is an apocalyptic number.

11867689586 is a deficient number, since it is larger than the sum of its proper divisors (5933844796).

11867689586 is an equidigital number, since it uses as much as digits as its factorization.

11867689586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933844795.

The product of its digits is 34836480, while the sum is 65.

The spelling of 11867689586 in words is "eleven billion, eight hundred sixty-seven million, six hundred eighty-nine thousand, five hundred eighty-six".