11586613866091 has 8 divisors (see below), whose sum is σ = 12695624967744. Its totient is φ = 10486883192520.

The previous prime is 11586613866059. The next prime is 11586613866101. The reversal of 11586613866091 is 19066831668511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11586613866091 - 2⁵ = 11586613866059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11586613866041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320104405 + ... + 2320109398.

It is an arithmetic number, because the mean of its divisors is an integer number (1586953120968).

Almost surely, 2^{11586613866091} is an apocalyptic number.

11586613866091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11586613866091 is a deficient number, since it is larger than the sum of its proper divisors (1109011101653).

11586613866091 is a wasteful number, since it uses less digits than its factorization.

11586613866091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640214041.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 11586613866091 in words is "eleven trillion, five hundred eighty-six billion, six hundred thirteen million, eight hundred sixty-six thousand, ninety-one".