20145717360079 has 8 divisors (see below), whose sum is σ = 20574453040128. Its totient is φ = 19716985988280.

The previous prime is 20145717360073. The next prime is 20145717360089. The reversal of 20145717360079 is 97006371754102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20145717360079 - 2¹⁵ = 20145717327311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145717360073) by changing a digit.

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, 9459934 + ... + 11392180.

It is an arithmetic number, because the mean of its divisors is an integer number (2571806630016).

Almost surely, 2^{20145717360079} is an apocalyptic number.

20145717360079 is a deficient number, since it is larger than the sum of its proper divisors (428735680049).

20145717360079 is a wasteful number, since it uses less digits than its factorization.

20145717360079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154125.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 20145717360079 in words is "twenty trillion, one hundred forty-five billion, seven hundred seventeen million, three hundred sixty thousand, seventy-nine".