17608281681121 has 4 divisors (see below), whose sum is σ = 17621631403200. Its totient is φ = 17594931959044.

The previous prime is 17608281681101. The next prime is 17608281681167. The reversal of 17608281681121 is 12118618280671.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17608281681121 - 2⁹ = 17608281680609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17608281681101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6674859061 + ... + 6674861698.

It is an arithmetic number, because the mean of its divisors is an integer number (4405407850800).

Almost surely, 2^{17608281681121} is an apocalyptic number.

It is an amenable number.

17608281681121 is a deficient number, since it is larger than the sum of its proper divisors (13349722079).

17608281681121 is a wasteful number, since it uses less digits than its factorization.

17608281681121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349722078.

The product of its (nonzero) digits is 516096, while the sum is 52.

The spelling of 17608281681121 in words is "seventeen trillion, six hundred eight billion, two hundred eighty-one million, six hundred eighty-one thousand, one hundred twenty-one".