11642908186689 has 16 divisors (see below), whose sum is σ = 16789773192192. Its totient is φ = 7134116070528.

The previous prime is 11642908186673. The next prime is 11642908186691. The reversal of 11642908186689 is 98668180924611.

It is not a de Polignac number, because 11642908186689 - 2⁴ = 11642908186673 is a prime.

It is a super-2 number, since 2×11642908186689² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11642908186289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640626337 + ... + 640644510.

It is an arithmetic number, because the mean of its divisors is an integer number (1049360824512).

Almost surely, 2^{11642908186689} is an apocalyptic number.

It is an amenable number.

11642908186689 is a deficient number, since it is larger than the sum of its proper divisors (5146865005503).

11642908186689 is a wasteful number, since it uses less digits than its factorization.

11642908186689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281271096.

The product of its (nonzero) digits is 71663616, while the sum is 69.

The spelling of 11642908186689 in words is "eleven trillion, six hundred forty-two billion, nine hundred eight million, one hundred eighty-six thousand, six hundred eighty-nine".