11686128682 has 8 divisors (see below), whose sum is σ = 17859932676. Its totient is φ = 5732817792.

The previous prime is 11686128667. The next prime is 11686128691. The reversal of 11686128682 is 28682168611.

It can be written as a sum of positive squares in 2 ways, for example, as 11462057721 + 224070961 = 107061^2 + 14969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55123143 + ... + 55123354.

Almost surely, 2^11686128682 is an apocalyptic number.

11686128682 is a deficient number, since it is larger than the sum of its proper divisors (6173803994).

11686128682 is a wasteful number, since it uses less digits than its factorization.

11686128682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110246552.

The product of its digits is 442368, while the sum is 49.

The spelling of 11686128682 in words is "eleven billion, six hundred eighty-six million, one hundred twenty-eight thousand, six hundred eighty-two".