142911717426721 has 8 divisors (see below), whose sum is σ = 143099830381760. Its totient is φ = 142723621027728.

The previous prime is 142911717426719. The next prime is 142911717426743. The reversal of 142911717426721 is 127624717119241.

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 142911717426721 - 2¹ = 142911717426719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142911717426421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13184020 + ... + 21439258.

It is an arithmetic number, because the mean of its divisors is an integer number (17887478797720).

Almost surely, 2^{142911717426721} is an apocalyptic number.

It is an amenable number.

142911717426721 is a deficient number, since it is larger than the sum of its proper divisors (188112955039).

142911717426721 is an equidigital number, since it uses as much as digits as its factorization.

142911717426721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278023.

The product of its digits is 2370816, while the sum is 55.

The spelling of 142911717426721 in words is "one hundred forty-two trillion, nine hundred eleven billion, seven hundred seventeen million, four hundred twenty-six thousand, seven hundred twenty-one".