717725319811 has 16 divisors (see below), whose sum is σ = 756711813600. Its totient is φ = 679739413248.

The previous prime is 717725319793. The next prime is 717725319841. The reversal of 717725319811 is 118913527717.

It is not a de Polignac number, because 717725319811 - 2²⁵ = 717691765379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717725319841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322981 + ... + 1240873.

It is an arithmetic number, because the mean of its divisors is an integer number (47294488350).

Almost surely, 2^717725319811 is an apocalyptic number.

717725319811 is a deficient number, since it is larger than the sum of its proper divisors (38986493789).

717725319811 is a wasteful number, since it uses less digits than its factorization.

717725319811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918438.

The product of its digits is 740880, while the sum is 52.

The spelling of 717725319811 in words is "seven hundred seventeen billion, seven hundred twenty-five million, three hundred nineteen thousand, eight hundred eleven".