17113043121 has 32 divisors (see below), whose sum is σ = 23748341760. Its totient is φ = 10953581184.

The previous prime is 17113043033. The next prime is 17113043159. The reversal of 17113043121 is 12134031171.

It is not a de Polignac number, because 17113043121 - 2⁷ = 17113042993 is a prime.

It is a super-2 number, since 2×17113043121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17113043091 and 17113043100.

It is not an unprimeable number, because it can be changed into a prime (17113043191) 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, 2370900 + ... + 2378106.

It is an arithmetic number, because the mean of its divisors is an integer number (742135680).

Almost surely, 2^17113043121 is an apocalyptic number.

It is an amenable number.

17113043121 is a deficient number, since it is larger than the sum of its proper divisors (6635298639).

17113043121 is a wasteful number, since it uses less digits than its factorization.

17113043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7565.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 17113043121 its reverse (12134031171), we get a palindrome (29247074292).

The spelling of 17113043121 in words is "seventeen billion, one hundred thirteen million, forty-three thousand, one hundred twenty-one".