1720214115265 has 16 divisors (see below), whose sum is σ = 2155421778048. Its totient is φ = 1315473318016.

The previous prime is 1720214115259. The next prime is 1720214115293. The reversal of 1720214115265 is 5625114120271.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1720214115265 - 2¹¹ = 1720214113217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4735684 + ... + 5085973.

It is an arithmetic number, because the mean of its divisors is an integer number (134713861128).

Almost surely, 2^{1720214115265} is an apocalyptic number.

It is an amenable number.

1720214115265 is a deficient number, since it is larger than the sum of its proper divisors (435207662783).

1720214115265 is a wasteful number, since it uses less digits than its factorization.

1720214115265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823208.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 1720214115265 in words is "one trillion, seven hundred twenty billion, two hundred fourteen million, one hundred fifteen thousand, two hundred sixty-five".