17142353745342 has 128 divisors (see below), whose sum is σ = 42358809959424. Its totient is φ = 4513865760768.

The previous prime is 17142353745317. The next prime is 17142353745409. The reversal of 17142353745342 is 24354735324171.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5416678 + ... + 7976534.

It is an arithmetic number, because the mean of its divisors is an integer number (330928202808).

Almost surely, 2^{17142353745342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17142353745342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21179404979712).

17142353745342 is an abundant number, since it is smaller than the sum of its proper divisors (25216456214082).

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

17142353745342 is a wasteful number, since it uses less digits than its factorization.

17142353745342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560082.

The product of its digits is 8467200, while the sum is 51.

The spelling of 17142353745342 in words is "seventeen trillion, one hundred forty-two billion, three hundred fifty-three million, seven hundred forty-five thousand, three hundred forty-two".