17012118538 has 16 divisors (see below), whose sum is σ = 25937604000. Its totient is φ = 8367373872.

The previous prime is 17012118493. The next prime is 17012118553. The reversal of 17012118538 is 83581121071.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17012118497 and 17012118506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250408 + ... + 311011.

It is an arithmetic number, because the mean of its divisors is an integer number (1621100250).

Almost surely, 2^17012118538 is an apocalyptic number.

17012118538 is a deficient number, since it is larger than the sum of its proper divisors (8925485462).

17012118538 is a wasteful number, since it uses less digits than its factorization.

17012118538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561669.

The product of its (nonzero) digits is 13440, while the sum is 37.

The spelling of 17012118538 in words is "seventeen billion, twelve million, one hundred eighteen thousand, five hundred thirty-eight".