17052103720042 has 4 divisors (see below), whose sum is σ = 25578155580066. Its totient is φ = 8526051860020.

The previous prime is 17052103720039. The next prime is 17052103720061. The reversal of 17052103720042 is 24002730125071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16950520644201 + 101583075841 = 4117101^2 + 318721^2 .

It is a super-2 number, since 2×17052103720042² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4263025930009 + ... + 4263025930012.

Almost surely, 2^{17052103720042} is an apocalyptic number.

17052103720042 is a deficient number, since it is larger than the sum of its proper divisors (8526051860024).

17052103720042 is an equidigital number, since it uses as much as digits as its factorization.

17052103720042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526051860023.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 17052103720042 in words is "seventeen trillion, fifty-two billion, one hundred three million, seven hundred twenty thousand, forty-two".