17111420506 has 16 divisors (see below), whose sum is σ = 25754962464. Its totient is φ = 8526467664.

The previous prime is 17111420477. The next prime is 17111420527. The reversal of 17111420506 is 60502411171.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098585 + ... + 1114051.

It is an arithmetic number, because the mean of its divisors is an integer number (1609685154).

Almost surely, 2^17111420506 is an apocalyptic number.

17111420506 is a deficient number, since it is larger than the sum of its proper divisors (8643541958).

17111420506 is a wasteful number, since it uses less digits than its factorization.

17111420506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17325.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 17111420506 its reverse (60502411171), we get a palindrome (77613831677).

The spelling of 17111420506 in words is "seventeen billion, one hundred eleven million, four hundred twenty thousand, five hundred six".