17042145771 has 32 divisors (see below), whose sum is σ = 28444746240. Its totient is φ = 8849465856.

The previous prime is 17042145763. The next prime is 17042145787. The reversal of 17042145771 is 17754124071.

It is not a de Polignac number, because 17042145771 - 2³ = 17042145763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17042145971) 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, 812701 + ... + 833406.

It is an arithmetic number, because the mean of its divisors is an integer number (888898320).

Almost surely, 2^17042145771 is an apocalyptic number.

17042145771 is a deficient number, since it is larger than the sum of its proper divisors (11402600469).

17042145771 is a wasteful number, since it uses less digits than its factorization.

17042145771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646163.

The product of its (nonzero) digits is 54880, while the sum is 39.

The spelling of 17042145771 in words is "seventeen billion, forty-two million, one hundred forty-five thousand, seven hundred seventy-one".