11102166661651 has 32 divisors (see below), whose sum is σ = 12330869253248. Its totient is φ = 9929389639680.

The previous prime is 11102166661591. The next prime is 11102166661667. The reversal of 11102166661651 is 15616666120111.

It is a cyclic number.

It is not a de Polignac number, because 11102166661651 - 2³³ = 11093576727059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102166661598 and 11102166661607.

It is not an unprimeable number, because it can be changed into a prime (11102166661681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133364221 + ... + 133447441.

It is an arithmetic number, because the mean of its divisors is an integer number (385339664164).

Almost surely, 2^{11102166661651} is an apocalyptic number.

11102166661651 is a deficient number, since it is larger than the sum of its proper divisors (1228702591597).

11102166661651 is a wasteful number, since it uses less digits than its factorization.

11102166661651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84431.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 11102166661651 in words is "eleven trillion, one hundred two billion, one hundred sixty-six million, six hundred sixty-one thousand, six hundred fifty-one".