11886774685 has 8 divisors (see below), whose sum is σ = 14280399576. Its totient is φ = 9498573120.

The previous prime is 11886774673. The next prime is 11886774719. The reversal of 11886774685 is 58647768811.

It can be written as a sum of positive squares in 4 ways, for example, as 888218809 + 10998555876 = 29803^2 + 104874^2 .

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

It is not a de Polignac number, because 11886774685 - 2⁹ = 11886774173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351006 + ... + 1359775.

It is an arithmetic number, because the mean of its divisors is an integer number (1785049947).

Almost surely, 2^11886774685 is an apocalyptic number.

It is an amenable number.

11886774685 is a deficient number, since it is larger than the sum of its proper divisors (2393624891).

11886774685 is an equidigital number, since it uses as much as digits as its factorization.

11886774685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711663.

The product of its digits is 18063360, while the sum is 61.

The spelling of 11886774685 in words is "eleven billion, eight hundred eighty-six million, seven hundred seventy-four thousand, six hundred eighty-five".