17522979810042 has 32 divisors (see below), whose sum is σ = 40869923760000. Its totient is φ = 5006565659424.

The previous prime is 17522979809989. The next prime is 17522979810047. The reversal of 17522979810042 is 24001897922571.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17522979810047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257281667 + ... + 4257285782.

It is an arithmetic number, because the mean of its divisors is an integer number (1277185117500).

Almost surely, 2^{17522979810042} is an apocalyptic number.

17522979810042 is an abundant number, since it is smaller than the sum of its proper divisors (23346943949958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17522979810042 is an equidigital number, since it uses as much as digits as its factorization.

17522979810042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514567475 (or 8514567461 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 17522979810042 in words is "seventeen trillion, five hundred twenty-two billion, nine hundred seventy-nine million, eight hundred ten thousand, forty-two".